1257014467 has 2 divisors, whose sum is σ = 1257014468. Its totient is φ = 1257014466.

The previous prime is 1257014419. The next prime is 1257014497. The reversal of 1257014467 is 7644107521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1257014467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1257014497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628507233 + 628507234.

It is an arithmetic number, because the mean of its divisors is an integer number (628507234).

Almost surely, 2^1257014467 is an apocalyptic number.

1257014467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1257014467 is an equidigital number, since it uses as much as digits as its factorization.

1257014467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 1257014467 is about 35454.3998256916. The cubic root of 1257014467 is about 1079.2285491590.

The spelling of 1257014467 in words is "one billion, two hundred fifty-seven million, fourteen thousand, four hundred sixty-seven".