113081072 has 20 divisors (see below), whose sum is σ = 235948440. Its totient is φ = 52191168.

The previous prime is 113081071. The next prime is 113081113. The reversal of 113081072 is 270180311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113081071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 271622 + ... + 272037.

It is an arithmetic number, because the mean of its divisors is an integer number (11797422).

Almost surely, 2^113081072 is an apocalyptic number.

It is an amenable number.

113081072 is an abundant number, since it is smaller than the sum of its proper divisors (122867368).

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

113081072 is a wasteful number, since it uses less digits than its factorization.

113081072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543680 (or 543674 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 113081072 is about 10633.9584351266. The cubic root of 113081072 is about 483.5744044607.

The spelling of 113081072 in words is "one hundred thirteen million, eighty-one thousand, seventy-two".