112539 has 16 divisors (see below), whose sum is σ = 179712. Its totient is φ = 61248.

The previous prime is 112507. The next prime is 112543. The reversal of 112539 is 935211.

It is not a de Polignac number, because 112539 - 2⁵ = 112507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (112559) 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, 367 + ... + 599.

It is an arithmetic number, because the mean of its divisors is an integer number (11232).

2¹¹²⁵³⁹ is an apocalyptic number.

112539 is a deficient number, since it is larger than the sum of its proper divisors (67173).

112539 is a wasteful number, since it uses less digits than its factorization.

112539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266.

The product of its digits is 270, while the sum is 21.

The square root of 112539 is about 335.4683293547. The cubic root of 112539 is about 48.2800469689.

The spelling of 112539 in words is "one hundred twelve thousand, five hundred thirty-nine".