115587 has 10 divisors (see below), whose sum is σ = 172788. Its totient is φ = 77004.

The previous prime is 115571. The next prime is 115589. The reversal of 115587 is 785511.

It is not a de Polignac number, because 115587 - 2⁴ = 115571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 115587.

It is not an unprimeable number, because it can be changed into a prime (115589) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 633 + ... + 794.

2¹¹⁵⁵⁸⁷ is an apocalyptic number.

115587 is a deficient number, since it is larger than the sum of its proper divisors (57201).

115587 is an equidigital number, since it uses as much as digits as its factorization.

115587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1430 counting only the distinct ones).

The product of its digits is 1400, while the sum is 27.

The square root of 115587 is about 339.9808818154. The cubic root of 115587 is about 48.7120414577.

The spelling of 115587 in words is "one hundred fifteen thousand, five hundred eighty-seven".