1271445325 has 12 divisors (see below), whose sum is σ = 1659571360. Its totient is φ = 963621360.

The previous prime is 1271445311. The next prime is 1271445337. The reversal of 1271445325 is 5235441721.

It is not a de Polignac number, because 1271445325 - 2¹³ = 1271437133 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1337889 + ... + 1338838.

Almost surely, 2^1271445325 is an apocalyptic number.

It is an amenable number.

1271445325 is a deficient number, since it is larger than the sum of its proper divisors (388126035).

1271445325 is a wasteful number, since it uses less digits than its factorization.

1271445325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676756 (or 2676751 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 1271445325 is about 35657.3319949769. The cubic root of 1271445325 is about 1083.3427878202.

The spelling of 1271445325 in words is "one billion, two hundred seventy-one million, four hundred forty-five thousand, three hundred twenty-five".