1260256 has 12 divisors (see below), whose sum is σ = 2481192. Its totient is φ = 630112.

The previous prime is 1260223. The next prime is 1260269. The reversal of 1260256 is 6520621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19660 + ... + 19723.

It is an arithmetic number, because the mean of its divisors is an integer number (206766).

2^1260256 is an apocalyptic number.

1260256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1260256 is a deficient number, since it is larger than the sum of its proper divisors (1220936).

1260256 is an equidigital number, since it uses as much as digits as its factorization.

1260256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39393 (or 39385 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1260256 is about 1122.6112417039. The cubic root of 1260256 is about 108.0155441733.

Adding to 1260256 its reverse (6520621), we get a palindrome (7780877).

The spelling of 1260256 in words is "one million, two hundred sixty thousand, two hundred fifty-six".