1113291 has 8 divisors (see below), whose sum is σ = 1649360. Its totient is φ = 742176.

The previous prime is 1113257. The next prime is 1113317. The reversal of 1113291 is 1923111.

It is not a de Polignac number, because 1113291 - 2⁹ = 1112779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20590 + ... + 20643.

It is an arithmetic number, because the mean of its divisors is an integer number (206170).

2^1113291 is an apocalyptic number.

1113291 is a deficient number, since it is larger than the sum of its proper divisors (536069).

1113291 is an equidigital number, since it uses as much as digits as its factorization.

1113291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41242 (or 41236 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

The square root of 1113291 is about 1055.1260588195. The cubic root of 1113291 is about 103.6421068336.

The spelling of 1113291 in words is "one million, one hundred thirteen thousand, two hundred ninety-one".