1320572052 has 48 divisors (see below), whose sum is σ = 3425728320. Its totient is φ = 439930656.

The previous prime is 1320572023. The next prime is 1320572129. The reversal of 1320572052 is 2502750231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290098 + ... + 294614.

It is an arithmetic number, because the mean of its divisors is an integer number (71369340).

Almost surely, 2^1320572052 is an apocalyptic number.

1320572052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320572052 is an abundant number, since it is smaller than the sum of its proper divisors (2105156268).

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

1320572052 is a wasteful number, since it uses less digits than its factorization.

1320572052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7237 (or 7229 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1320572052 is about 36339.6760029585. The cubic root of 1320572052 is about 1097.1197519723.

The spelling of 1320572052 in words is "one billion, three hundred twenty million, five hundred seventy-two thousand, fifty-two".