1255568 has 20 divisors (see below), whose sum is σ = 2460780. Its totient is φ = 620544.

The previous prime is 1255567. The next prime is 1255591. The reversal of 1255568 is 8655521.

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 394384 = 928^2 + 628^2 .

It is a plaindrome in base 10.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148 + ... + 1956.

It is an arithmetic number, because the mean of its divisors is an integer number (123039).

2^1255568 is an apocalyptic number.

It is an amenable number.

1255568 is a deficient number, since it is larger than the sum of its proper divisors (1205212).

1255568 is an equidigital number, since it uses as much as digits as its factorization.

1255568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 908 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 1255568 is about 1120.5213072494. The cubic root of 1255568 is about 107.8814428323.

The spelling of 1255568 in words is "one million, two hundred fifty-five thousand, five hundred sixty-eight".