1320480172 has 12 divisors (see below), whose sum is σ = 2520916776. Its totient is φ = 600218240.

The previous prime is 1320480157. The next prime is 1320480191. The reversal of 1320480172 is 2710840231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320480172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15005413 + ... + 15005500.

It is an arithmetic number, because the mean of its divisors is an integer number (210076398).

Almost surely, 2^1320480172 is an apocalyptic number.

It is an amenable number.

1320480172 is a deficient number, since it is larger than the sum of its proper divisors (1200436604).

1320480172 is a wasteful number, since it uses less digits than its factorization.

1320480172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30010928 (or 30010926 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1320480172 is about 36338.4117979859. The cubic root of 1320480172 is about 1097.0943070144.

The spelling of 1320480172 in words is "one billion, three hundred twenty million, four hundred eighty thousand, one hundred seventy-two".