113021972 has 24 divisors (see below), whose sum is σ = 226443840. Its totient is φ = 48352320.

The previous prime is 113021971. The next prime is 113021983. The reversal of 113021972 is 279120311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113021971) 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, 14072 + ... + 20592.

It is an arithmetic number, because the mean of its divisors is an integer number (9435160).

Almost surely, 2^113021972 is an apocalyptic number.

It is an amenable number.

113021972 is an abundant number, since it is smaller than the sum of its proper divisors (113421868).

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

113021972 is a wasteful number, since it uses less digits than its factorization.

113021972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151 (or 7149 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 113021972 is about 10631.1792384476. The cubic root of 113021972 is about 483.4901456569.

The spelling of 113021972 in words is "one hundred thirteen million, twenty-one thousand, nine hundred seventy-two".