1271882328 has 16 divisors (see below), whose sum is σ = 3179705880. Its totient is φ = 423960768.

The previous prime is 1271882323. The next prime is 1271882329. The reversal of 1271882328 is 8232881721.

1271882328 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1271882328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271882321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26497525 + ... + 26497572.

Almost surely, 2^1271882328 is an apocalyptic number.

It is an amenable number.

1271882328 is an abundant number, since it is smaller than the sum of its proper divisors (1907823552).

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

1271882328 is a wasteful number, since it uses less digits than its factorization.

1271882328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52995106 (or 52995102 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 1271882328 is about 35663.4592825766. The cubic root of 1271882328 is about 1083.4668906319.

The spelling of 1271882328 in words is "one billion, two hundred seventy-one million, eight hundred eighty-two thousand, three hundred twenty-eight".