113232120 has 32 divisors (see below), whose sum is σ = 339696720. Its totient is φ = 30195200.

The previous prime is 113232113. The next prime is 113232137. The reversal of 113232120 is 21232311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 113232120.

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, 471681 + ... + 471920.

Almost surely, 2^113232120 is an apocalyptic number.

113232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113232120 is an abundant number, since it is smaller than the sum of its proper divisors (226464600).

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

113232120 is a wasteful number, since it uses less digits than its factorization.

113232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943615 (or 943611 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113232120 is about 10641.0582180533. The cubic root of 113232120 is about 483.7896201082.

Adding to 113232120 its reverse (21232311), we get a palindrome (134464431).

The spelling of 113232120 in words is "one hundred thirteen million, two hundred thirty-two thousand, one hundred twenty".