115321992 has 32 divisors (see below), whose sum is σ = 288686400. Its totient is φ = 38389824.

The previous prime is 115321991. The next prime is 115322047. The reversal of 115321992 is 299123511.

It is not an unprimeable number, because it can be changed into a prime (115321991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18309 + ... + 23787.

It is an arithmetic number, because the mean of its divisors is an integer number (9021450).

Almost surely, 2^115321992 is an apocalyptic number.

115321992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115321992 is an abundant number, since it is smaller than the sum of its proper divisors (173364408).

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

115321992 is a wasteful number, since it uses less digits than its factorization.

115321992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365 (or 6361 counting only the distinct ones).

The product of its digits is 4860, while the sum is 33.

The square root of 115321992 is about 10738.8077550536. The cubic root of 115321992 is about 486.7478536809.

The spelling of 115321992 in words is "one hundred fifteen million, three hundred twenty-one thousand, nine hundred ninety-two".