871099 has 4 divisors (see below), whose sum is σ = 883440. Its totient is φ = 858760.

The previous prime is 871061. The next prime is 871103. The reversal of 871099 is 990178.

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

It is a cyclic number.

It is not a de Polignac number, because 871099 - 2¹³ = 862907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872099) 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, 6064 + ... + 6205.

It is an arithmetic number, because the mean of its divisors is an integer number (220860).

2⁸⁷¹⁰⁹⁹ is an apocalyptic number.

871099 is a deficient number, since it is larger than the sum of its proper divisors (12341).

871099 is a wasteful number, since it uses less digits than its factorization.

871099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12340.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 871099 is about 933.3268452155. The cubic root of 871099 is about 95.5042074844.

The spelling of 871099 in words is "eight hundred seventy-one thousand, ninety-nine".