871273 has 4 divisors (see below), whose sum is σ = 938308. Its totient is φ = 804240.

The previous prime is 871271. The next prime is 871289. The reversal of 871273 is 372178.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110889 + 760384 = 333^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 871273 - 2¹ = 871271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (871271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33498 + ... + 33523.

It is an arithmetic number, because the mean of its divisors is an integer number (234577).

2⁸⁷¹²⁷³ is an apocalyptic number.

It is an amenable number.

871273 is a deficient number, since it is larger than the sum of its proper divisors (67035).

871273 is a wasteful number, since it uses less digits than its factorization.

871273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67034.

The product of its digits is 2352, while the sum is 28.

The square root of 871273 is about 933.4200554948. The cubic root of 871273 is about 95.5105659755.

The spelling of 871273 in words is "eight hundred seventy-one thousand, two hundred seventy-three".