115387000 has 64 divisors (see below), whose sum is σ = 284263200. Its totient is φ = 43718400.

The previous prime is 115386983. The next prime is 115387003. The reversal of 115387000 is 783511.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115387003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15964 + ... + 22036.

Almost surely, 2^115387000 is an apocalyptic number.

115387000 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 115387000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142131600).

115387000 is an abundant number, since it is smaller than the sum of its proper divisors (168876200).

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

115387000 is a wasteful number, since it uses less digits than its factorization.

115387000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113 (or 6099 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 115387000 is about 10741.8341078235. The cubic root of 115387000 is about 486.8392978193.

The spelling of 115387000 in words is "one hundred fifteen million, three hundred eighty-seven thousand".