871115 has 8 divisors (see below), whose sum is σ = 1194720. Its totient is φ = 597312.

The previous prime is 871103. The next prime is 871147. The reversal of 871115 is 511178.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-871115 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 871115.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12410 + ... + 12479.

It is an arithmetic number, because the mean of its divisors is an integer number (149340).

2⁸⁷¹¹¹⁵ is an apocalyptic number.

871115 is a deficient number, since it is larger than the sum of its proper divisors (323605).

871115 is a wasteful number, since it uses less digits than its factorization.

871115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24901.

The product of its digits is 280, while the sum is 23.

The square root of 871115 is about 933.3354166643. The cubic root of 871115 is about 95.5047922086.

The spelling of 871115 in words is "eight hundred seventy-one thousand, one hundred fifteen".