1131722764 has 12 divisors (see below), whose sum is σ = 2084752600. Its totient is φ = 536079168.

The previous prime is 1131722749. The next prime is 1131722791. The reversal of 1131722764 is 4672271311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7445469 + ... + 7445620.

Almost surely, 2^1131722764 is an apocalyptic number.

It is an amenable number.

1131722764 is a deficient number, since it is larger than the sum of its proper divisors (953029836).

1131722764 is a wasteful number, since it uses less digits than its factorization.

1131722764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891112 (or 14891110 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 1131722764 is about 33641.0874378341. The cubic root of 1131722764 is about 1042.1094892704.

The spelling of 1131722764 in words is "one billion, one hundred thirty-one million, seven hundred twenty-two thousand, seven hundred sixty-four".