1320551152 has 40 divisors (see below), whose sum is σ = 2613582720. Its totient is φ = 646215360.

The previous prime is 1320551149. The next prime is 1320551161. The reversal of 1320551152 is 2511550231.

It is a congruent number.

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, 153723 + ... + 162085.

It is an arithmetic number, because the mean of its divisors is an integer number (65339568).

Almost surely, 2^1320551152 is an apocalyptic number.

It is an amenable number.

1320551152 is a deficient number, since it is larger than the sum of its proper divisors (1293031568).

1320551152 is a wasteful number, since it uses less digits than its factorization.

1320551152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8581 (or 8575 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1320551152 is about 36339.3884373416. The cubic root of 1320551152 is about 1097.1139640958.

The spelling of 1320551152 in words is "one billion, three hundred twenty million, five hundred fifty-one thousand, one hundred fifty-two".