1320525712 has 40 divisors (see below), whose sum is σ = 2818783872. Its totient is φ = 594288000.

The previous prime is 1320525709. The next prime is 1320525733. The reversal of 1320525712 is 2175250231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19368 + ... + 54919.

Almost surely, 2^1320525712 is an apocalyptic number.

It is an amenable number.

1320525712 is an abundant number, since it is smaller than the sum of its proper divisors (1498258160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320525712 is a wasteful number, since it uses less digits than its factorization.

1320525712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74407 (or 74401 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1320525712 is about 36339.0384022472. The cubic root of 1320525712 is about 1097.1069188661.

Adding to 1320525712 its reverse (2175250231), we get a palindrome (3495775943).

The spelling of 1320525712 in words is "one billion, three hundred twenty million, five hundred twenty-five thousand, seven hundred twelve".