1255707 has 18 divisors (see below), whose sum is σ = 1881516. Its totient is φ = 806880.

The previous prime is 1255693. The next prime is 1255721. The reversal of 1255707 is 7075521.

It is an interprime number because it is at equal distance from previous prime (1255693) and next prime (1255721).

It is not a de Polignac number, because 1255707 - 2⁸ = 1255451 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1255747) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15088 + ... + 15170.

2^1255707 is an apocalyptic number.

1255707 is a deficient number, since it is larger than the sum of its proper divisors (625809).

1255707 is an equidigital number, since it uses as much as digits as its factorization.

1255707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 1255707 is about 1120.5833302347. The cubic root of 1255707 is about 107.8854237576.

It can be divided in two parts, 125 and 5707, that added together give a cube (5832 = 18³).

The spelling of 1255707 in words is "one million, two hundred fifty-five thousand, seven hundred seven".