1255888 has 20 divisors (see below), whose sum is σ = 2480868. Its totient is φ = 615680.

The previous prime is 1255861. The next prime is 1255907. The reversal of 1255888 is 8885521.

It can be written as a sum of positive squares in 2 ways, for example, as 725904 + 529984 = 852^2 + 728^2 .

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108 + ... + 1588.

2^1255888 is an apocalyptic number.

It is an amenable number.

1255888 is a deficient number, since it is larger than the sum of its proper divisors (1224980).

1255888 is a wasteful number, since it uses less digits than its factorization.

1255888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1536 counting only the distinct ones).

The product of its digits is 25600, while the sum is 37.

The square root of 1255888 is about 1120.6640888330. The cubic root of 1255888 is about 107.8906071120.

The spelling of 1255888 in words is "one million, two hundred fifty-five thousand, eight hundred eighty-eight".