1297330975 has 6 divisors (see below), whose sum is σ = 1608690440. Its totient is φ = 1037864760.

The previous prime is 1297330967. The next prime is 1297331051. The reversal of 1297330975 is 5790337921.

It is not a de Polignac number, because 1297330975 - 2³ = 1297330967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25946595 + ... + 25946644.

Almost surely, 2^1297330975 is an apocalyptic number.

1297330975 is a deficient number, since it is larger than the sum of its proper divisors (311359465).

1297330975 is an equidigital number, since it uses as much as digits as its factorization.

1297330975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51893249 (or 51893244 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 1297330975 is about 36018.4810201652. The cubic root of 1297330975 is about 1090.6454598067.

The spelling of 1297330975 in words is "one billion, two hundred ninety-seven million, three hundred thirty thousand, nine hundred seventy-five".