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1025101 = 71113313
BaseRepresentation
bin11111010010001001101
31221002011201
43322101031
5230300401
633545501
711466430
oct3722115
91832151
101025101
116401a0
12415291
1329b78c
141c9817
15153b01
hexfa44d

1025101 has 8 divisors (see below), whose sum is σ = 1278144. Its totient is φ = 798720.

The previous prime is 1025099. The next prime is 1025111. The reversal of 1025101 is 1015201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025101 - 21 = 1025099 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6580 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (159768).

21025101 is an apocalyptic number.

1025101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1025101 is a deficient number, since it is larger than the sum of its proper divisors (253043).

1025101 is a wasteful number, since it uses less digits than its factorization.

1025101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13331.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1025101 is about 1012.4727156818. The cubic root of 1025101 is about 100.8297953513.

The spelling of 1025101 in words is "one million, twenty-five thousand, one hundred one".

Divisors: 1 7 11 77 13313 93191 146443 1025101