871212 has 24 divisors (see below), whose sum is σ = 2060800. Its totient is φ = 286416.

The previous prime is 871181. The next prime is 871229. The reversal of 871212 is 212178.

871212 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.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489 + ... + 1407.

2⁸⁷¹²¹² is an apocalyptic number.

It is an amenable number.

871212 is an abundant number, since it is smaller than the sum of its proper divisors (1189588).

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

871212 is a wasteful number, since it uses less digits than its factorization.

871212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 1003 counting only the distinct ones).

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

The square root of 871212 is about 933.3873793876. The cubic root of 871212 is about 95.5083369457.

The spelling of 871212 in words is "eight hundred seventy-one thousand, two hundred twelve".