1320564201 has 32 divisors (see below), whose sum is σ = 2026598400. Its totient is φ = 756463680.

The previous prime is 1320564191. The next prime is 1320564211. The reversal of 1320564201 is 1024650231.

It is an interprime number because it is at equal distance from previous prime (1320564191) and next prime (1320564211).

It is not a de Polignac number, because 1320564201 - 2⁷ = 1320564073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320564211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298135 + ... + 302531.

It is an arithmetic number, because the mean of its divisors is an integer number (63331200).

Almost surely, 2^1320564201 is an apocalyptic number.

1320564201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1320564201 is a deficient number, since it is larger than the sum of its proper divisors (706034199).

1320564201 is a wasteful number, since it uses less digits than its factorization.

1320564201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1320564201 is about 36339.5679803709. The cubic root of 1320564201 is about 1097.1175777872.

The spelling of 1320564201 in words is "one billion, three hundred twenty million, five hundred sixty-four thousand, two hundred one".