1275825873 has 16 divisors (see below), whose sum is σ = 1950336896. Its totient is φ = 726710400.

The previous prime is 1275825869. The next prime is 1275825907. The reversal of 1275825873 is 3785285721.

It is not a de Polignac number, because 1275825873 - 2² = 1275825869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275825833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90478 + ... + 103623.

It is an arithmetic number, because the mean of its divisors is an integer number (121896056).

Almost surely, 2^1275825873 is an apocalyptic number.

It is an amenable number.

1275825873 is a deficient number, since it is larger than the sum of its proper divisors (674511023).

1275825873 is a wasteful number, since it uses less digits than its factorization.

1275825873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194424.

The product of its digits is 940800, while the sum is 48.

The square root of 1275825873 is about 35718.7048057457. The cubic root of 1275825873 is about 1084.5855193020.

The spelling of 1275825873 in words is "one billion, two hundred seventy-five million, eight hundred twenty-five thousand, eight hundred seventy-three".