1112491 has 4 divisors (see below), whose sum is σ = 1116184. Its totient is φ = 1108800.

The previous prime is 1112483. The next prime is 1112509. The reversal of 1112491 is 1942111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1112491 - 2³ = 1112483 is a prime.

It is a Duffinian number.

1112491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1112471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350 + ... + 2011.

It is an arithmetic number, because the mean of its divisors is an integer number (279046).

2^1112491 is an apocalyptic number.

1112491 is a deficient number, since it is larger than the sum of its proper divisors (3693).

1112491 is an equidigital number, since it uses as much as digits as its factorization.

1112491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692.

The product of its digits is 72, while the sum is 19.

The square root of 1112491 is about 1054.7468890687. The cubic root of 1112491 is about 103.6172754841.

The spelling of 1112491 in words is "one million, one hundred twelve thousand, four hundred ninety-one".