113215992 has 32 divisors (see below), whose sum is σ = 286921680. Its totient is φ = 37221120.

The previous prime is 113215987. The next prime is 113216027. The reversal of 113215992 is 299512311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30559 + ... + 34062.

Almost surely, 2^113215992 is an apocalyptic number.

113215992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113215992 is an abundant number, since it is smaller than the sum of its proper divisors (173705688).

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

113215992 is a wasteful number, since it uses less digits than its factorization.

113215992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64703 (or 64699 counting only the distinct ones).

The product of its digits is 4860, while the sum is 33.

The square root of 113215992 is about 10640.3003717000. The cubic root of 113215992 is about 483.7666498018.

The spelling of 113215992 in words is "one hundred thirteen million, two hundred fifteen thousand, nine hundred ninety-two".