1131212792 has 16 divisors (see below), whose sum is σ = 2155795800. Its totient is φ = 556333920.

The previous prime is 1131212783. The next prime is 1131212821. The reversal of 1131212792 is 2972121311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158542 + ... + 1159517.

Almost surely, 2^1131212792 is an apocalyptic number.

It is an amenable number.

1131212792 is a deficient number, since it is larger than the sum of its proper divisors (1024583008).

1131212792 is a wasteful number, since it uses less digits than its factorization.

1131212792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318126 (or 2318122 counting only the distinct ones).

The product of its digits is 1512, while the sum is 29.

The square root of 1131212792 is about 33633.5069833641. The cubic root of 1131212792 is about 1041.9529354678.

The spelling of 1131212792 in words is "one billion, one hundred thirty-one million, two hundred twelve thousand, seven hundred ninety-two".