1271452944 has 40 divisors (see below), whose sum is σ = 3457462240. Its totient is φ = 401511168.

The previous prime is 1271452937. The next prime is 1271452957. The reversal of 1271452944 is 4492541721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696157 + ... + 697980.

It is an arithmetic number, because the mean of its divisors is an integer number (86436556).

Almost surely, 2^1271452944 is an apocalyptic number.

It is an amenable number.

1271452944 is an abundant number, since it is smaller than the sum of its proper divisors (2186009296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1271452944 is a wasteful number, since it uses less digits than its factorization.

1271452944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394167 (or 1394161 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 1271452944 is about 35657.4388311892. The cubic root of 1271452944 is about 1083.3449517544.

The spelling of 1271452944 in words is "one billion, two hundred seventy-one million, four hundred fifty-two thousand, nine hundred forty-four".