871133 has 4 divisors (see below), whose sum is σ = 882240. Its totient is φ = 860028.

The previous prime is 871103. The next prime is 871147. The reversal of 871133 is 331178.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331178 = 2 ⋅165589.

It is a cyclic number.

It is not a de Polignac number, because 871133 - 2¹⁰ = 870109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 871099 and 871108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5435 + ... + 5592.

It is an arithmetic number, because the mean of its divisors is an integer number (220560).

2⁸⁷¹¹³³ is an apocalyptic number.

It is an amenable number.

871133 is a deficient number, since it is larger than the sum of its proper divisors (11107).

871133 is a wasteful number, since it uses less digits than its factorization.

871133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106.

The product of its digits is 504, while the sum is 23.

The square root of 871133 is about 933.3450594501. The cubic root of 871133 is about 95.5054500147.

The spelling of 871133 in words is "eight hundred seventy-one thousand, one hundred thirty-three".