1275977068 has 12 divisors (see below), whose sum is σ = 2264410512. Its totient is φ = 629002640.

The previous prime is 1275977023. The next prime is 1275977089. The reversal of 1275977068 is 8607795721.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2246155 + ... + 2246722.

It is an arithmetic number, because the mean of its divisors is an integer number (188700876).

Almost surely, 2^1275977068 is an apocalyptic number.

It is an amenable number.

1275977068 is a deficient number, since it is larger than the sum of its proper divisors (988433444).

1275977068 is a wasteful number, since it uses less digits than its factorization.

1275977068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492952 (or 4492950 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 52.

The square root of 1275977068 is about 35720.8212111648. The cubic root of 1275977068 is about 1084.6283614677.

The spelling of 1275977068 in words is "one billion, two hundred seventy-five million, nine hundred seventy-seven thousand, sixty-eight".