1168787271 has 16 divisors (see below), whose sum is σ = 1574349920. Its totient is φ = 771223680.

The previous prime is 1168787239. The next prime is 1168787293. The reversal of 1168787271 is 1727878611.

It is not a de Polignac number, because 1168787271 - 2⁵ = 1168787239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1168787271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168787201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568281 + ... + 570333.

It is an arithmetic number, because the mean of its divisors is an integer number (98396870).

Almost surely, 2^1168787271 is an apocalyptic number.

1168787271 is a deficient number, since it is larger than the sum of its proper divisors (405562649).

1168787271 is a wasteful number, since it uses less digits than its factorization.

1168787271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906.

The product of its digits is 263424, while the sum is 48.

The square root of 1168787271 is about 34187.5309286880. The cubic root of 1168787271 is about 1053.3640468554.

The spelling of 1168787271 in words is "one billion, one hundred sixty-eight million, seven hundred eighty-seven thousand, two hundred seventy-one".