1372117297 has 2 divisors, whose sum is σ = 1372117298. Its totient is φ = 1372117296.

The previous prime is 1372117289. The next prime is 1372117343. The reversal of 1372117297 is 7927112731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1072169536 + 299947761 = 32744^2 + 17319^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372117297 - 2³ = 1372117289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1372117217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686058648 + 686058649.

It is an arithmetic number, because the mean of its divisors is an integer number (686058649).

Almost surely, 2^1372117297 is an apocalyptic number.

It is an amenable number.

1372117297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372117297 is an equidigital number, since it uses as much as digits as its factorization.

1372117297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044, while the sum is 40.

The square root of 1372117297 is about 37042.1016817351. The cubic root of 1372117297 is about 1111.2124016967.

The spelling of 1372117297 in words is "one billion, three hundred seventy-two million, one hundred seventeen thousand, two hundred ninety-seven".