1255564 has 12 divisors (see below), whose sum is σ = 2228688. Its totient is φ = 618800.

The previous prime is 1255559. The next prime is 1255567. The reversal of 1255564 is 4655521.

It is not an unprimeable number, because it can be changed into a prime (1255567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927 + ... + 2494.

It is an arithmetic number, because the mean of its divisors is an integer number (185724).

2^1255564 is an apocalyptic number.

It is an amenable number.

1255564 is a deficient number, since it is larger than the sum of its proper divisors (973124).

1255564 is a wasteful number, since it uses less digits than its factorization.

1255564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 4494 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 1255564 is about 1120.5195223645. The cubic root of 1255564 is about 107.8813282689.

The spelling of 1255564 in words is "one million, two hundred fifty-five thousand, five hundred sixty-four".