1320752792 has 64 divisors (see below), whose sum is σ = 2598039360. Its totient is φ = 628992000.

The previous prime is 1320752779. The next prime is 1320752801. The reversal of 1320752792 is 2972570231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2197292 + ... + 2197892.

It is an arithmetic number, because the mean of its divisors is an integer number (40594365).

Almost surely, 2^1320752792 is an apocalyptic number.

It is an amenable number.

1320752792 is a deficient number, since it is larger than the sum of its proper divisors (1277286568).

1320752792 is a wasteful number, since it uses less digits than its factorization.

1320752792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 1320752792 is about 36342.1627314611. The cubic root of 1320752792 is about 1097.1698020946.

The spelling of 1320752792 in words is "one billion, three hundred twenty million, seven hundred fifty-two thousand, seven hundred ninety-two".