1256908 has 6 divisors (see below), whose sum is σ = 2199596. Its totient is φ = 628452.

The previous prime is 1256903. The next prime is 1256911. The reversal of 1256908 is 8096521.

It is a self number, because there is not a number n which added to its sum of digits gives 1256908.

It is not an unprimeable number, because it can be changed into a prime (1256903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157110 + ... + 157117.

2^1256908 is an apocalyptic number.

It is an amenable number.

1256908 is a deficient number, since it is larger than the sum of its proper divisors (942688).

1256908 is a wasteful number, since it uses less digits than its factorization.

1256908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314231 (or 314229 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1256908 is about 1121.1190837730. The cubic root of 1256908 is about 107.9198078688.

The spelling of 1256908 in words is "one million, two hundred fifty-six thousand, nine hundred eight".