1255172 has 12 divisors (see below), whose sum is σ = 2210880. Its totient is φ = 623496.

The previous prime is 1255169. The next prime is 1255181. The reversal of 1255172 is 2715521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (184240).

2^1255172 is an apocalyptic number.

It is an amenable number.

1255172 is a deficient number, since it is larger than the sum of its proper divisors (955708).

1255172 is a wasteful number, since it uses less digits than its factorization.

1255172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050 (or 2048 counting only the distinct ones).

The product of its digits is 700, while the sum is 23.

The square root of 1255172 is about 1120.3445898472. The cubic root of 1255172 is about 107.8700998800.

The spelling of 1255172 in words is "one million, two hundred fifty-five thousand, one hundred seventy-two".