115812132 has 12 divisors (see below), whose sum is σ = 270228336. Its totient is φ = 38604040.

The previous prime is 115812127. The next prime is 115812133. The reversal of 115812132 is 231218511.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (115812133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4825494 + ... + 4825517.

It is an arithmetic number, because the mean of its divisors is an integer number (22519028).

Almost surely, 2^115812132 is an apocalyptic number.

115812132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115812132 is an abundant number, since it is smaller than the sum of its proper divisors (154416204).

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

115812132 is a wasteful number, since it uses less digits than its factorization.

115812132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651018 (or 9651016 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 115812132 is about 10761.6045272069. The cubic root of 115812132 is about 487.4364687755.

The spelling of 115812132 in words is "one hundred fifteen million, eight hundred twelve thousand, one hundred thirty-two".