1297560976 has 40 divisors (see below), whose sum is σ = 2547292320. Its totient is φ = 640253184.

The previous prime is 1297560967. The next prime is 1297561009. The reversal of 1297560976 is 6790657921.

It is a happy 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, 390715 + ... + 394021.

It is an arithmetic number, because the mean of its divisors is an integer number (63682308).

Almost surely, 2^1297560976 is an apocalyptic number.

1297560976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1297560976 is a deficient number, since it is larger than the sum of its proper divisors (1249731344).

1297560976 is a wasteful number, since it uses less digits than its factorization.

1297560976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 1297560976 is about 36021.6736979280. The cubic root of 1297560976 is about 1090.7099087223.

The spelling of 1297560976 in words is "one billion, two hundred ninety-seven million, five hundred sixty thousand, nine hundred seventy-six".