1270432864 has 24 divisors (see below), whose sum is σ = 2503849320. Its totient is φ = 634534656.

The previous prime is 1270432861. The next prime is 1270432873. The reversal of 1270432864 is 4682340721.

It is a super-2 number, since 2×1270432864² = 3227999323862484992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270432861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9667 + ... + 51325.

It is an arithmetic number, because the mean of its divisors is an integer number (104327055).

Almost surely, 2^1270432864 is an apocalyptic number.

It is an amenable number.

1270432864 is a deficient number, since it is larger than the sum of its proper divisors (1233416456).

1270432864 is an equidigital number, since it uses as much as digits as its factorization.

1270432864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42622 (or 42614 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 1270432864 is about 35643.1320733742. The cubic root of 1270432864 is about 1083.0551535899.

The spelling of 1270432864 in words is "one billion, two hundred seventy million, four hundred thirty-two thousand, eight hundred sixty-four".