1307681297 has 8 divisors (see below), whose sum is σ = 1408767360. Its totient is φ = 1206666000.

The previous prime is 1307681257. The next prime is 1307681321. The reversal of 1307681297 is 7921867031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1307681297 - 2²⁰ = 1306632721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1307681237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24422 + ... + 56672.

It is an arithmetic number, because the mean of its divisors is an integer number (176095920).

Almost surely, 2^1307681297 is an apocalyptic number.

It is an amenable number.

1307681297 is a deficient number, since it is larger than the sum of its proper divisors (101086063).

1307681297 is a wasteful number, since it uses less digits than its factorization.

1307681297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35383.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1307681297 is about 36161.8762925819. The cubic root of 1307681297 is about 1093.5382305998.

The spelling of 1307681297 in words is "one billion, three hundred seven million, six hundred eighty-one thousand, two hundred ninety-seven".