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120200130 = 23251335557
BaseRepresentation
bin1110010101000…
…01101111000010
322101011210120200
413022201233002
5221232401010
615532150030
72656453461
oct712415702
9271153520
10120200130
1161939156
1234308316
131bb9704b
1411d6c9d8
15a844cc0
hex72a1bc2

120200130 has 24 divisors (see below), whose sum is σ = 312520572. Its totient is φ = 32053344.

The previous prime is 120200123. The next prime is 120200167. The reversal of 120200130 is 31002021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118135161 + 2064969 = 10869^2 + 1437^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667689 + ... + 667868.

Almost surely, 2120200130 is an apocalyptic number.

120200130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120200130 is an abundant number, since it is smaller than the sum of its proper divisors (192320442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120200130 is a wasteful number, since it uses less digits than its factorization.

120200130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335570 (or 1335567 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 120200130 is about 10963.5819876535. The cubic root of 120200130 is about 493.5164642530.

Adding to 120200130 its reverse (31002021), we get a palindrome (151202151).

The spelling of 120200130 in words is "one hundred twenty million, two hundred thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1335557 2671114 4006671 6677785 8013342 12020013 13355570 20033355 24040026 40066710 60100065 120200130