871171 has 12 divisors (see below), whose sum is σ = 1058832. Its totient is φ = 713328.

The previous prime is 871163. The next prime is 871177. The reversal of 871171 is 171178.

It is not a de Polignac number, because 871171 - 2³ = 871163 is a prime.

It is a super-2 number, since 2×871171² = 1517877822482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 741 + ... + 1513.

It is an arithmetic number, because the mean of its divisors is an integer number (88236).

2⁸⁷¹¹⁷¹ is an apocalyptic number.

871171 is a deficient number, since it is larger than the sum of its proper divisors (187661).

871171 is a wasteful number, since it uses less digits than its factorization.

871171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 803 counting only the distinct ones).

The product of its digits is 392, while the sum is 25.

The square root of 871171 is about 933.3654161153. The cubic root of 871171 is about 95.5068386868.

The spelling of 871171 in words is "eight hundred seventy-one thousand, one hundred seventy-one".