871173 has 6 divisors (see below), whose sum is σ = 1258374. Its totient is φ = 580776.

The previous prime is 871163. The next prime is 871177. The reversal of 871173 is 371178.

It can be written as a sum of positive squares in only one way, i.e., 804609 + 66564 = 897^2 + 258^2 .

It is not a de Polignac number, because 871173 - 2⁸ = 870917 is a prime.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 48390 + ... + 48407.

It is an arithmetic number, because the mean of its divisors is an integer number (209729).

2⁸⁷¹¹⁷³ is an apocalyptic number.

It is an amenable number.

871173 is a deficient number, since it is larger than the sum of its proper divisors (387201).

871173 is a wasteful number, since it uses less digits than its factorization.

871173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96803 (or 96800 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 871173 is about 933.3664875064. The cubic root of 871173 is about 95.5069117737.

The spelling of 871173 in words is "eight hundred seventy-one thousand, one hundred seventy-three".