1131164 has 12 divisors (see below), whose sum is σ = 2033304. Its totient is φ = 550224.

The previous prime is 1131157. The next prime is 1131181. The reversal of 1131164 is 4611311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3674 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (169442).

2^1131164 is an apocalyptic number.

It is an amenable number.

1131164 is a deficient number, since it is larger than the sum of its proper divisors (902140).

1131164 is a wasteful number, since it uses less digits than its factorization.

1131164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684 (or 7682 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 1131164 is about 1063.5619398982. The cubic root of 1131164 is about 104.1937954585.

Adding to 1131164 its reverse (4611311), we get a palindrome (5742475).

The spelling of 1131164 in words is "one million, one hundred thirty-one thousand, one hundred sixty-four".