1297063677 has 24 divisors (see below), whose sum is σ = 2140215744. Its totient is φ = 684163584.

The previous prime is 1297063589. The next prime is 1297063697. The reversal of 1297063677 is 7763607921.

It is not a de Polignac number, because 1297063677 - 2⁸ = 1297063421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297063697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179188 + ... + 186285.

It is an arithmetic number, because the mean of its divisors is an integer number (89175656).

Almost surely, 2^1297063677 is an apocalyptic number.

It is an amenable number.

1297063677 is a deficient number, since it is larger than the sum of its proper divisors (843152067).

1297063677 is a wasteful number, since it uses less digits than its factorization.

1297063677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365509 (or 365496 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 48.

The square root of 1297063677 is about 36014.7702616579. The cubic root of 1297063677 is about 1090.5705502733.

The spelling of 1297063677 in words is "one billion, two hundred ninety-seven million, sixty-three thousand, six hundred seventy-seven".