871041 has 4 divisors (see below), whose sum is σ = 1161392. Its totient is φ = 580692.

The previous prime is 871037. The next prime is 871061. The reversal of 871041 is 140178.

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.

It is not a de Polignac number, because 871041 - 2² = 871037 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 870999 and 871017.

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 3 ways as a sum of consecutive naturals, for example, 145171 + ... + 145176.

It is an arithmetic number, because the mean of its divisors is an integer number (290348).

2⁸⁷¹⁰⁴¹ is an apocalyptic number.

It is an amenable number.

871041 is a deficient number, since it is larger than the sum of its proper divisors (290351).

871041 is a wasteful number, since it uses less digits than its factorization.

871041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290350.

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

The square root of 871041 is about 933.2957730538. The cubic root of 871041 is about 95.5020877992.

It can be divided in two parts, 87 and 1041, that added together give a triangular number (1128 = T₄₇).

The spelling of 871041 in words is "eight hundred seventy-one thousand, forty-one".