1137927257 has 2 divisors, whose sum is σ = 1137927258. Its totient is φ = 1137927256.

The previous prime is 1137927251. The next prime is 1137927281. The reversal of 1137927257 is 7527297311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1021697296 + 116229961 = 31964^2 + 10781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137927257 - 2¹⁰ = 1137926233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1137927251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568963628 + 568963629.

It is an arithmetic number, because the mean of its divisors is an integer number (568963629).

Almost surely, 2^1137927257 is an apocalyptic number.

It is an amenable number.

1137927257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137927257 is an equidigital number, since it uses as much as digits as its factorization.

1137927257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 185220, while the sum is 44.

The square root of 1137927257 is about 33733.1773925908. The cubic root of 1137927257 is about 1044.0104203855.

The spelling of 1137927257 in words is "one billion, one hundred thirty-seven million, nine hundred twenty-seven thousand, two hundred fifty-seven".