115097320 has 64 divisors (see below), whose sum is σ = 280098000. Its totient is φ = 42313728.

The previous prime is 115097273. The next prime is 115097321. The reversal of 115097320 is 23790511.

It can be written as a sum of positive squares in 8 ways, for example, as 4384836 + 110712484 = 2094^2 + 10522^2 .

It is not an unprimeable number, because it can be changed into a prime (115097321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201996 + ... + 202564.

Almost surely, 2^115097320 is an apocalyptic number.

115097320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115097320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140049000).

115097320 is an abundant number, since it is smaller than the sum of its proper divisors (165000680).

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

115097320 is a wasteful number, since it uses less digits than its factorization.

115097320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 115097320 is about 10728.3419035748. The cubic root of 115097320 is about 486.4315517426.

The spelling of 115097320 in words is "one hundred fifteen million, ninety-seven thousand, three hundred twenty".