1271888704 has 28 divisors (see below), whose sum is σ = 2540638048. Its totient is φ = 631728000.

The previous prime is 1271888693. The next prime is 1271888719. The reversal of 1271888704 is 4078881721.

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 3 ways as a sum of consecutive naturals, for example, 56142 + ... + 75469.

Almost surely, 2^1271888704 is an apocalyptic number.

It is an amenable number.

1271888704 is a deficient number, since it is larger than the sum of its proper divisors (1268749344).

1271888704 is a wasteful number, since it uses less digits than its factorization.

1271888704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131774 (or 131764 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 46.

The square root of 1271888704 is about 35663.5486736808. The cubic root of 1271888704 is about 1083.4687011173.

The spelling of 1271888704 in words is "one billion, two hundred seventy-one million, eight hundred eighty-eight thousand, seven hundred four".