871255 has 32 divisors (see below), whose sum is σ = 1363968. Its totient is φ = 518400.

The previous prime is 871249. The next prime is 871259. The reversal of 871255 is 552178.

It is not a de Polignac number, because 871255 - 2⁹ = 870743 is a prime.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11899 + ... + 11971.

It is an arithmetic number, because the mean of its divisors is an integer number (42624).

2⁸⁷¹²⁵⁵ is an apocalyptic number.

871255 is a deficient number, since it is larger than the sum of its proper divisors (492713).

871255 is a wasteful number, since it uses less digits than its factorization.

871255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127.

The product of its digits is 2800, while the sum is 28.

The square root of 871255 is about 933.4104134838. The cubic root of 871255 is about 95.5099082398.

The spelling of 871255 in words is "eight hundred seventy-one thousand, two hundred fifty-five".