1275990068 has 48 divisors (see below), whose sum is σ = 2393160000. Its totient is φ = 593526528.

The previous prime is 1275990047. The next prime is 1275990071. The reversal of 1275990068 is 8600995721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935923 + ... + 1936581.

It is an arithmetic number, because the mean of its divisors is an integer number (49857500).

Almost surely, 2^1275990068 is an apocalyptic number.

It is an amenable number.

1275990068 is a deficient number, since it is larger than the sum of its proper divisors (1117169932).

1275990068 is a wasteful number, since it uses less digits than its factorization.

1275990068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 1275990068 is about 35721.0031774025. The cubic root of 1275990068 is about 1084.6320449510.

The spelling of 1275990068 in words is "one billion, two hundred seventy-five million, nine hundred ninety thousand, sixty-eight".