113121192 has 64 divisors (see below), whose sum is σ = 290234880. Its totient is φ = 36729792.

The previous prime is 113121187. The next prime is 113121209. The reversal of 113121192 is 291121311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165283 + ... + 165965.

It is an arithmetic number, because the mean of its divisors is an integer number (4534920).

Almost surely, 2^113121192 is an apocalyptic number.

113121192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113121192 is an abundant number, since it is smaller than the sum of its proper divisors (177113688).

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

113121192 is a wasteful number, since it uses less digits than its factorization.

113121192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 858 counting only the distinct ones).

The product of its digits is 108, while the sum is 21.

The square root of 113121192 is about 10635.8446773164. The cubic root of 113121192 is about 483.6315867719.

The spelling of 113121192 in words is "one hundred thirteen million, one hundred twenty-one thousand, one hundred ninety-two".