1131575672 has 16 divisors (see below), whose sum is σ = 2140482240. Its totient is φ = 560780416.

The previous prime is 1131575657. The next prime is 1131575693. The reversal of 1131575672 is 2765751311.

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, 624968 + ... + 626775.

It is an arithmetic number, because the mean of its divisors is an integer number (133780140).

Almost surely, 2^1131575672 is an apocalyptic number.

It is an amenable number.

1131575672 is a deficient number, since it is larger than the sum of its proper divisors (1008906568).

1131575672 is a wasteful number, since it uses less digits than its factorization.

1131575672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251862 (or 1251858 counting only the distinct ones).

The product of its digits is 44100, while the sum is 38.

The square root of 1131575672 is about 33638.9011711144. The cubic root of 1131575672 is about 1042.0643390459.

The spelling of 1131575672 in words is "one billion, one hundred thirty-one million, five hundred seventy-five thousand, six hundred seventy-two".