871122 has 24 divisors (see below), whose sum is σ = 2027376. Its totient is φ = 248808.

The previous prime is 871103. The next prime is 871147. The reversal of 871122 is 221178.

871122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1188 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (84474).

2⁸⁷¹¹²² is an apocalyptic number.

871122 is an abundant number, since it is smaller than the sum of its proper divisors (1156254).

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

871122 is a wasteful number, since it uses less digits than its factorization.

871122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2975 counting only the distinct ones).

The product of its digits is 224, while the sum is 21.

The square root of 871122 is about 933.3391666484. The cubic root of 871122 is about 95.5050480231.

The spelling of 871122 in words is "eight hundred seventy-one thousand, one hundred twenty-two".