1131039 has 24 divisors (see below), whose sum is σ = 2012192. Its totient is φ = 596160.

The previous prime is 1131023. The next prime is 1131047. The reversal of 1131039 is 9301311.

It is not a de Polignac number, because 1131039 - 2⁴ = 1131023 is a prime.

1131039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129 + ... + 1509.

2^1131039 is an apocalyptic number.

1131039 is a deficient number, since it is larger than the sum of its proper divisors (881153).

1131039 is a wasteful number, since it uses less digits than its factorization.

1131039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 1131039 is about 1063.5031734790. The cubic root of 1131039 is about 104.1899573165.

The spelling of 1131039 in words is "one million, one hundred thirty-one thousand, thirty-nine".