871266 has 32 divisors (see below), whose sum is σ = 1951488. Its totient is φ = 257040.

The previous prime is 871259. The next prime is 871271. The reversal of 871266 is 662178.

It is a happy number.

871266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

871266 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2685 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (60984).

2⁸⁷¹²⁶⁶ is an apocalyptic number.

871266 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 871266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975744).

871266 is an abundant number, since it is smaller than the sum of its proper divisors (1080222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871266 is a wasteful number, since it uses less digits than its factorization.

871266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366.

The product of its digits is 4032, while the sum is 30.

The square root of 871266 is about 933.4163058357. The cubic root of 871266 is about 95.5103101905.

It can be divided in two parts, 8712 and 66, that added together give a palindrome (8778).

The spelling of 871266 in words is "eight hundred seventy-one thousand, two hundred sixty-six".