1257959 has 2 divisors, whose sum is σ = 1257960. Its totient is φ = 1257958.

The previous prime is 1257953. The next prime is 1257961. The reversal of 1257959 is 9597521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1257959 - 2¹⁶ = 1192423 is a prime.

Together with 1257961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1257953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628979 + 628980.

It is an arithmetic number, because the mean of its divisors is an integer number (628980).

2^1257959 is an apocalyptic number.

1257959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1257959 is an equidigital number, since it uses as much as digits as its factorization.

1257959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 38.

The square root of 1257959 is about 1121.5877139127. The cubic root of 1257959 is about 107.9498795787.

The spelling of 1257959 in words is "one million, two hundred fifty-seven thousand, nine hundred fifty-nine".