1112589 has 16 divisors (see below), whose sum is σ = 1670400. Its totient is φ = 731808.

The previous prime is 1112581. The next prime is 1112591. The reversal of 1112589 is 9852111.

It is not a de Polignac number, because 1112589 - 2³ = 1112581 is a prime.

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

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112581) 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, 2172 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (104400).

2^1112589 is an apocalyptic number.

It is an amenable number.

1112589 is a deficient number, since it is larger than the sum of its proper divisors (557811).

1112589 is an equidigital number, since it uses as much as digits as its factorization.

1112589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 555 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1112589 is about 1054.7933446889. The cubic root of 1112589 is about 103.6203179641.

The spelling of 1112589 in words is "one million, one hundred twelve thousand, five hundred eighty-nine".