1275818968 has 32 divisors (see below), whose sum is σ = 2440141200. Its totient is φ = 625143168.

The previous prime is 1275818927. The next prime is 1275818969. The reversal of 1275818968 is 8698185721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275818969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627778 + ... + 629806.

Almost surely, 2^1275818968 is an apocalyptic number.

It is an amenable number.

1275818968 is a deficient number, since it is larger than the sum of its proper divisors (1164322232).

1275818968 is a wasteful number, since it uses less digits than its factorization.

1275818968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571 (or 3567 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 55.

The square root of 1275818968 is about 35718.6081475748. The cubic root of 1275818968 is about 1084.5835626409.

The spelling of 1275818968 in words is "one billion, two hundred seventy-five million, eight hundred eighteen thousand, nine hundred sixty-eight".