1297430477275 has 48 divisors (see below), whose sum is σ = 1709788780800. Its totient is φ = 974772610560.

The previous prime is 1297430477269. The next prime is 1297430477279. The reversal of 1297430477275 is 5727740347921.

It is not a de Polignac number, because 1297430477275 - 2⁵ = 1297430477243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1297430477279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134737161 + ... + 134746789.

It is an arithmetic number, because the mean of its divisors is an integer number (35620599600).

Almost surely, 2^{1297430477275} is an apocalyptic number.

1297430477275 is a deficient number, since it is larger than the sum of its proper divisors (412358303525).

1297430477275 is a wasteful number, since it uses less digits than its factorization.

1297430477275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14728 (or 14723 counting only the distinct ones).

The product of its (nonzero) digits is 20744640, while the sum is 58.

The spelling of 1297430477275 in words is "one trillion, two hundred ninety-seven billion, four hundred thirty million, four hundred seventy-seven thousand, two hundred seventy-five".