115321000 has 32 divisors (see below), whose sum is σ = 269853480. Its totient is φ = 46128000.

The previous prime is 115320973. The next prime is 115321007. The reversal of 115321000 is 123511.

It can be written as a sum of positive squares in 4 ways, for example, as 71470116 + 43850884 = 8454^2 + 6622^2 .

It is not an unprimeable number, because it can be changed into a prime (115321007) 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, 56661 + ... + 58660.

Almost surely, 2^115321000 is an apocalyptic number.

115321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115321000 is an abundant number, since it is smaller than the sum of its proper divisors (154532480).

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

115321000 is a wasteful number, since it uses less digits than its factorization.

115321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115342 (or 115328 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 115321000 is about 10738.7615673317. The cubic root of 115321000 is about 486.7464580082.

Adding to 115321000 its reverse (123511), we get a palindrome (115444511).

The spelling of 115321000 in words is "one hundred fifteen million, three hundred twenty-one thousand".