1271791914 has 8 divisors (see below), whose sum is σ = 2543583840. Its totient is φ = 423930636.

The previous prime is 1271791907. The next prime is 1271791921. The reversal of 1271791914 is 4191971721.

It is an interprime number because it is at equal distance from previous prime (1271791907) and next prime (1271791921).

It is a sphenic number, since it is the product of 3 distinct primes.

1271791914 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3 ways as a sum of consecutive naturals, for example, 105982654 + ... + 105982665.

It is an arithmetic number, because the mean of its divisors is an integer number (317947980).

Almost surely, 2^1271791914 is an apocalyptic number.

1271791914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1271791914 is a wasteful number, since it uses less digits than its factorization.

1271791914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211965324.

The product of its digits is 31752, while the sum is 42.

The square root of 1271791914 is about 35662.1916600761. The cubic root of 1271791914 is about 1083.4412166381.

The spelling of 1271791914 in words is "one billion, two hundred seventy-one million, seven hundred ninety-one thousand, nine hundred fourteen".