1318975127 has 2 divisors, whose sum is σ = 1318975128. Its totient is φ = 1318975126.

The previous prime is 1318975103. The next prime is 1318975153. The reversal of 1318975127 is 7215798131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1318975127 - 2⁸ = 1318974871 is a prime.

It is a super-2 number, since 2×1318975127² = 3479390771289332258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1318975627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659487563 + 659487564.

It is an arithmetic number, because the mean of its divisors is an integer number (659487564).

Almost surely, 2^1318975127 is an apocalyptic number.

1318975127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318975127 is an equidigital number, since it uses as much as digits as its factorization.

1318975127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 44.

The square root of 1318975127 is about 36317.6971599247. The cubic root of 1318975127 is about 1096.6773364672.

The spelling of 1318975127 in words is "one billion, three hundred eighteen million, nine hundred seventy-five thousand, one hundred twenty-seven".