1255056 has 40 divisors (see below), whose sum is σ = 3538464. Its totient is φ = 380160.

The previous prime is 1255049. The next prime is 1255063. The reversal of 1255056 is 6505521.

It is an interprime number because it is at equal distance from previous prime (1255049) and next prime (1255063).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661 + ... + 1716.

2^1255056 is an apocalyptic number.

1255056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1255056 is an abundant number, since it is smaller than the sum of its proper divisors (2283408).

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

1255056 is a wasteful number, since it uses less digits than its factorization.

1255056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399 (or 2393 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1255056 is about 1120.2928188648. The cubic root of 1255056 is about 107.8667767453.

The spelling of 1255056 in words is "one million, two hundred fifty-five thousand, fifty-six".