871071 has 8 divisors (see below), whose sum is σ = 1173120. Its totient is φ = 574872.

The previous prime is 871061. The next prime is 871103. The reversal of 871071 is 170178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 871071 - 2¹⁰ = 870047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (146640).

2⁸⁷¹⁰⁷¹ is an apocalyptic number.

871071 is a deficient number, since it is larger than the sum of its proper divisors (302049).

871071 is a wasteful number, since it uses less digits than its factorization.

871071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 871071 is about 933.3118449907. The cubic root of 871071 is about 95.5031841998.

The spelling of 871071 in words is "eight hundred seventy-one thousand, seventy-one".