115131232 has 24 divisors (see below), whose sum is σ = 226945152. Its totient is φ = 57494400.

The previous prime is 115131229. The next prime is 115131271. The reversal of 115131232 is 232131511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32257 + ... + 35647.

It is an arithmetic number, because the mean of its divisors is an integer number (9456048).

Almost surely, 2^115131232 is an apocalyptic number.

It is an amenable number.

115131232 is a deficient number, since it is larger than the sum of its proper divisors (111813920).

115131232 is a wasteful number, since it uses less digits than its factorization.

115131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462 (or 4454 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 115131232 is about 10729.9222737166. The cubic root of 115131232 is about 486.4793207291.

Adding to 115131232 its reverse (232131511), we get a palindrome (347262743).

The spelling of 115131232 in words is "one hundred fifteen million, one hundred thirty-one thousand, two hundred thirty-two".