1320752832 has 56 divisors (see below), whose sum is σ = 3993709056. Its totient is φ = 377357568.

The previous prime is 1320752821. The next prime is 1320752857. The reversal of 1320752832 is 2382570231.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 1320752793 and 1320752802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490008 + ... + 492695.

Almost surely, 2^1320752832 is an apocalyptic number.

1320752832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320752832 is an abundant number, since it is smaller than the sum of its proper divisors (2672956224).

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

1320752832 is an equidigital number, since it uses as much as digits as its factorization.

1320752832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982725 (or 982715 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1320752832 is about 36342.1632817861. The cubic root of 1320752832 is about 1097.1698131708.

The spelling of 1320752832 in words is "one billion, three hundred twenty million, seven hundred fifty-two thousand, eight hundred thirty-two".