115821232 has 10 divisors (see below), whose sum is σ = 224403668. Its totient is φ = 57910608.

The previous prime is 115821197. The next prime is 115821241. The reversal of 115821232 is 232128511.

It is a junction number, because it is equal to n+sod(n) for n = 115821197 and 115821206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3619398 + ... + 3619429.

Almost surely, 2^115821232 is an apocalyptic number.

It is an amenable number.

115821232 is a deficient number, since it is larger than the sum of its proper divisors (108582436).

115821232 is an equidigital number, since it uses as much as digits as its factorization.

115821232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238835 (or 7238829 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 115821232 is about 10762.0273183076. The cubic root of 115821232 is about 487.4492353013.

Adding to 115821232 its reverse (232128511), we get a palindrome (347949743).

The spelling of 115821232 in words is "one hundred fifteen million, eight hundred twenty-one thousand, two hundred thirty-two".