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103003121 = 1325131567
BaseRepresentation
bin1100010001110…
…11001111110001
321011211002201102
412020323033301
5202332044441
614115414145
72360340434
oct610731761
9234732642
10103003121
1153162851
122a5b4355
13184556c0
14d97381b
15909969b
hex623b3f1

103003121 has 8 divisors (see below), whose sum is σ = 111371904. Its totient is φ = 94698000.

The previous prime is 103003097. The next prime is 103003141. The reversal of 103003121 is 121300301.

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 103003121 - 26 = 103003057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103003141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12521 + ... + 19046.

It is an arithmetic number, because the mean of its divisors is an integer number (13921488).

Almost surely, 2103003121 is an apocalyptic number.

It is an amenable number.

103003121 is a deficient number, since it is larger than the sum of its proper divisors (8368783).

103003121 is a wasteful number, since it uses less digits than its factorization.

103003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31831.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 103003121 is about 10149.0453245613. The cubic root of 103003121 is about 468.7595492929.

Adding to 103003121 its reverse (121300301), we get a palindrome (224303422).

The spelling of 103003121 in words is "one hundred three million, three thousand, one hundred twenty-one".

Divisors: 1 13 251 3263 31567 410371 7923317 103003121