1271552884 has 48 divisors (see below), whose sum is σ = 2793369600. Its totient is φ = 493818336.

The previous prime is 1271552857. The next prime is 1271552911. The reversal of 1271552884 is 4882551721.

It is an interprime number because it is at equal distance from previous prime (1271552857) and next prime (1271552911).

It is a self number, because there is not a number n which added to its sum of digits gives 1271552884.

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 15 ways as a sum of consecutive naturals, for example, 39724 + ... + 64195.

It is an arithmetic number, because the mean of its divisors is an integer number (58195200).

Almost surely, 2^1271552884 is an apocalyptic number.

1271552884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1271552884 is an abundant number, since it is smaller than the sum of its proper divisors (1521816716).

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

1271552884 is a wasteful number, since it uses less digits than its factorization.

1271552884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103972 (or 103970 counting only the distinct ones).

The product of its digits is 179200, while the sum is 43.

The square root of 1271552884 is about 35658.8401942632. The cubic root of 1271552884 is about 1083.3733357274.

The spelling of 1271552884 in words is "one billion, two hundred seventy-one million, five hundred fifty-two thousand, eight hundred eighty-four".