1255908256 has 12 divisors (see below), whose sum is σ = 2472569442. Its totient is φ = 627954112.

The previous prime is 1255908253. The next prime is 1255908263. The reversal of 1255908256 is 6528095521.

It can be written as a sum of positive squares in only one way, i.e., 1223600400 + 32307856 = 34980^2 + 5684^2 .

It is not an unprimeable number, because it can be changed into a prime (1255908253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19623535 + ... + 19623598.

Almost surely, 2^1255908256 is an apocalyptic number.

1255908256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1255908256 is a deficient number, since it is larger than the sum of its proper divisors (1216661186).

1255908256 is an equidigital number, since it uses as much as digits as its factorization.

1255908256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39247143 (or 39247135 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 1255908256 is about 35438.7959163400. The cubic root of 1255908256 is about 1078.9118715856.

The spelling of 1255908256 in words is "one billion, two hundred fifty-five million, nine hundred eight thousand, two hundred fifty-six".