113120232 has 64 divisors (see below), whose sum is σ = 291055680. Its totient is φ = 36621312.

The previous prime is 113120221. The next prime is 113120237. The reversal of 113120232 is 232021311.

113120232 = 944² + 945² + ... + 1056².

It is not an unprimeable number, because it can be changed into a prime (113120237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143343 + ... + 144129.

It is an arithmetic number, because the mean of its divisors is an integer number (4547745).

Almost surely, 2^113120232 is an apocalyptic number.

113120232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113120232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145527840).

113120232 is an abundant number, since it is smaller than the sum of its proper divisors (177935448).

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

113120232 is a wasteful number, since it uses less digits than its factorization.

113120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 958 counting only the distinct ones).

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

The square root of 113120232 is about 10635.7995468136. The cubic root of 113120232 is about 483.6302186591.

Adding to 113120232 its reverse (232021311), we get a palindrome (345141543).

The spelling of 113120232 in words is "one hundred thirteen million, one hundred twenty thousand, two hundred thirty-two".