1273481825 has 96 divisors (see below), whose sum is σ = 2099865600. Its totient is φ = 758049600.

The previous prime is 1273481809. The next prime is 1273481879. The reversal of 1273481825 is 5281843721.

It is not a de Polignac number, because 1273481825 - 2⁴ = 1273481809 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2169182 + ... + 2169768.

It is an arithmetic number, because the mean of its divisors is an integer number (21873600).

Almost surely, 2^1273481825 is an apocalyptic number.

It is an amenable number.

1273481825 is a deficient number, since it is larger than the sum of its proper divisors (826383775).

1273481825 is a wasteful number, since it uses less digits than its factorization.

1273481825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 633 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 1273481825 is about 35685.8771084585. The cubic root of 1273481825 is about 1083.9208833862.

The spelling of 1273481825 in words is "one billion, two hundred seventy-three million, four hundred eighty-one thousand, eight hundred twenty-five".