1255167 has 12 divisors (see below), whose sum is σ = 1834560. Its totient is φ = 826848.

The previous prime is 1255157. The next prime is 1255169. The reversal of 1255167 is 7615521.

It is not a de Polignac number, because 1255167 - 2⁶ = 1255103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (152880).

2^1255167 is an apocalyptic number.

1255167 is a deficient number, since it is larger than the sum of its proper divisors (579393).

1255167 is a wasteful number, since it uses less digits than its factorization.

1255167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1659 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 1255167 is about 1120.3423583887. The cubic root of 1255167 is about 107.8699566457.

The spelling of 1255167 in words is "one million, two hundred fifty-five thousand, one hundred sixty-seven".