113120512 has 18 divisors (see below), whose sum is σ = 225799658. Its totient is φ = 56560128.

The previous prime is 113120467. The next prime is 113120521. The reversal of 113120512 is 215021311.

It can be written as a sum of positive squares in only one way, i.e., 109495296 + 3625216 = 10464^2 + 1904^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220683 + ... + 221194.

Almost surely, 2^113120512 is an apocalyptic number.

It is an amenable number.

113120512 is a deficient number, since it is larger than the sum of its proper divisors (112679146).

113120512 is an frugal number, since it uses more digits than its factorization.

113120512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441893 (or 441879 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 113120512 is about 10635.8127098967. The cubic root of 113120512 is about 483.6306176928.

Adding to 113120512 its reverse (215021311), we get a palindrome (328141823).

The spelling of 113120512 in words is "one hundred thirteen million, one hundred twenty thousand, five hundred twelve".