1276263875 has 8 divisors (see below), whose sum is σ = 1592777472. Its totient is φ = 1021011000.

The previous prime is 1276263853. The next prime is 1276263889. The reversal of 1276263875 is 5783626721.

It is not a de Polignac number, because 1276263875 - 2⁶ = 1276263811 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5104931 + ... + 5105180.

It is an arithmetic number, because the mean of its divisors is an integer number (199097184).

Almost surely, 2^1276263875 is an apocalyptic number.

1276263875 is a deficient number, since it is larger than the sum of its proper divisors (316513597).

1276263875 is an equidigital number, since it uses as much as digits as its factorization.

1276263875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210126 (or 10210116 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 1276263875 is about 35724.8355489567. The cubic root of 1276263875 is about 1084.7096209484.

The spelling of 1276263875 in words is "one billion, two hundred seventy-six million, two hundred sixty-three thousand, eight hundred seventy-five".