1255265 has 16 divisors (see below), whose sum is σ = 1702080. Its totient is φ = 880320.

The previous prime is 1255259. The next prime is 1255279. The reversal of 1255265 is 5625521.

It is not a de Polignac number, because 1255265 - 2⁴ = 1255249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (106380).

2^1255265 is an apocalyptic number.

It is an amenable number.

1255265 is a deficient number, since it is larger than the sum of its proper divisors (446815).

1255265 is a wasteful number, since it uses less digits than its factorization.

1255265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 3000, while the sum is 26.

The square root of 1255265 is about 1120.3860941658. The cubic root of 1255265 is about 107.8727639695.

The spelling of 1255265 in words is "one million, two hundred fifty-five thousand, two hundred sixty-five".