115297000 has 192 divisors, whose sum is σ = 339852240. Its totient is φ = 36288000.

The previous prime is 115296989. The next prime is 115297019. The reversal of 115297000 is 792511.

It can be written as a sum of positive squares in 8 ways, for example, as 13972644 + 101324356 = 3738^2 + 10066^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 636910 + ... + 637090.

Almost surely, 2^115297000 is an apocalyptic number.

115297000 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 115297000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169926120).

115297000 is an abundant number, since it is smaller than the sum of its proper divisors (224555240).

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

115297000 is a wasteful number, since it uses less digits than its factorization.

115297000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 115297000 is about 10737.6440618974. The cubic root of 115297000 is about 486.7126892946.

The spelling of 115297000 in words is "one hundred fifteen million, two hundred ninety-seven thousand".