1320735952 has 40 divisors (see below), whose sum is σ = 2625222600. Its totient is φ = 643307520.

The previous prime is 1320735943. The next prime is 1320735953. The reversal of 1320735952 is 2595370231.

It can be written as a sum of positive squares in 4 ways, for example, as 389509696 + 931226256 = 19736^2 + 30516^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320735953) 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, 676674 + ... + 678622.

It is an arithmetic number, because the mean of its divisors is an integer number (65630565).

Almost surely, 2^1320735952 is an apocalyptic number.

It is an amenable number.

1320735952 is a deficient number, since it is larger than the sum of its proper divisors (1304486648).

1320735952 is a wasteful number, since it uses less digits than its factorization.

1320735952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 1320735952 is about 36341.9310439057. The cubic root of 1320735952 is about 1097.1651389918.

The spelling of 1320735952 in words is "one billion, three hundred twenty million, seven hundred thirty-five thousand, nine hundred fifty-two".