113902121 has 8 divisors (see below), whose sum is σ = 115584000. Its totient is φ = 112226400.

The previous prime is 113902097. The next prime is 113902127. The reversal of 113902121 is 121209311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113902121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113902093 and 113902102.

It is not an unprimeable number, because it can be changed into a prime (113902127) 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, 46280 + ... + 48678.

It is an arithmetic number, because the mean of its divisors is an integer number (14448000).

Almost surely, 2^113902121 is an apocalyptic number.

It is an amenable number.

113902121 is a deficient number, since it is larger than the sum of its proper divisors (1681879).

113902121 is an equidigital number, since it uses as much as digits as its factorization.

113902121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 113902121 is about 10672.4936636196. The cubic root of 113902121 is about 484.7419479612.

The spelling of 113902121 in words is "one hundred thirteen million, nine hundred two thousand, one hundred twenty-one".