1257375883 has 2 divisors, whose sum is σ = 1257375884. Its totient is φ = 1257375882.

The previous prime is 1257375839. The next prime is 1257375923. The reversal of 1257375883 is 3885737521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1257375883 is a prime.

It is a super-2 number, since 2×1257375883² = 3161988222300059378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1257375803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628687941 + 628687942.

It is an arithmetic number, because the mean of its divisors is an integer number (628687942).

Almost surely, 2^1257375883 is an apocalyptic number.

1257375883 is a deficient number, since it is larger than the sum of its proper divisors (1).

1257375883 is an equidigital number, since it uses as much as digits as its factorization.

1257375883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 49.

The square root of 1257375883 is about 35459.4963726221. The cubic root of 1257375883 is about 1079.3319722829.

The spelling of 1257375883 in words is "one billion, two hundred fifty-seven million, three hundred seventy-five thousand, eight hundred eighty-three".