1271180079 has 48 divisors (see below), whose sum is σ = 2072039424. Its totient is φ = 745588800.

The previous prime is 1271180069. The next prime is 1271180087. The reversal of 1271180079 is 9700811721.

It is not a de Polignac number, because 1271180079 - 2⁷ = 1271179951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271180039) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 240394 + ... + 245624.

It is an arithmetic number, because the mean of its divisors is an integer number (43167488).

Almost surely, 2^1271180079 is an apocalyptic number.

1271180079 is a deficient number, since it is larger than the sum of its proper divisors (800859345).

1271180079 is a wasteful number, since it uses less digits than its factorization.

1271180079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348 (or 5345 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The square root of 1271180079 is about 35653.6124256715. The cubic root of 1271180079 is about 1083.2674477538.

The spelling of 1271180079 in words is "one billion, two hundred seventy-one million, one hundred eighty thousand, seventy-nine".