113104520 has 32 divisors (see below), whose sum is σ = 254885400. Its totient is φ = 45170688.

The previous prime is 113104517. The next prime is 113104529. The reversal of 113104520 is 25401311.

It can be written as a sum of positive squares in 4 ways, for example, as 99161764 + 13942756 = 9958^2 + 3734^2 .

It is not an unprimeable number, because it can be changed into a prime (113104529) 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, 28922 + ... + 32598.

Almost surely, 2^113104520 is an apocalyptic number.

113104520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113104520 is an abundant number, since it is smaller than the sum of its proper divisors (141780880).

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

113104520 is a wasteful number, since it uses less digits than its factorization.

113104520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457 (or 4453 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 113104520 is about 10635.0608836997. The cubic root of 113104520 is about 483.6078261136.

Adding to 113104520 its reverse (25401311), we get a palindrome (138505831).

The spelling of 113104520 in words is "one hundred thirteen million, one hundred four thousand, five hundred twenty".