115212032 has 54 divisors (see below), whose sum is σ = 249118632. Its totient is φ = 53154816.

The previous prime is 115212023. The next prime is 115212049. The reversal of 115212032 is 230212511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 115212032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41933 + ... + 44595.

It is an arithmetic number, because the mean of its divisors is an integer number (4613308).

Almost surely, 2^115212032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124559316).

115212032 is an abundant number, since it is smaller than the sum of its proper divisors (133906600).

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

115212032 is an equidigital number, since it uses as much as digits as its factorization.

115212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 115212032 is about 10733.6867850706. The cubic root of 115212032 is about 486.5930991150.

Adding to 115212032 its reverse (230212511), we get a palindrome (345424543).

The spelling of 115212032 in words is "one hundred fifteen million, two hundred twelve thousand, thirty-two".