1320752793 has 8 divisors (see below), whose sum is σ = 1767227488. Its totient is φ = 877389984.

The previous prime is 1320752779. The next prime is 1320752801. The reversal of 1320752793 is 3972570231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320752793 - 2⁵ = 1320752761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320752723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776980 + ... + 778677.

It is an arithmetic number, because the mean of its divisors is an integer number (220903436).

Almost surely, 2^1320752793 is an apocalyptic number.

It is an amenable number.

1320752793 is a deficient number, since it is larger than the sum of its proper divisors (446474695).

1320752793 is a wasteful number, since it uses less digits than its factorization.

1320752793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555943.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 1320752793 is about 36342.1627452192. The cubic root of 1320752793 is about 1097.1698023715.

The spelling of 1320752793 in words is "one billion, three hundred twenty million, seven hundred fifty-two thousand, seven hundred ninety-three".