1265256 has 24 divisors (see below), whose sum is σ = 3426930. Its totient is φ = 421728.

The previous prime is 1265249. The next prime is 1265273. The reversal of 1265256 is 6525621.

1265256 is a `hidden beast` number, since 1 + 2 + 652 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 285156 = 990^2 + 534^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8715 + ... + 8858.

2^1265256 is an apocalyptic number.

It is an amenable number.

1265256 is an abundant number, since it is smaller than the sum of its proper divisors (2161674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1265256 is a wasteful number, since it uses less digits than its factorization.

1265256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17585 (or 17578 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1265256 is about 1124.8359880445. The cubic root of 1265256 is about 108.1582043544.

It can be divided in two parts, 1265 and 256, that added together give a square (1521 = 39²).

The spelling of 1265256 in words is "one million, two hundred sixty-five thousand, two hundred fifty-six".