871849124 has 12 divisors (see below), whose sum is σ = 1606038000. Its totient is φ = 412981128.

The previous prime is 871849117. The next prime is 871849141. The reversal of 871849124 is 421948178.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5735774 + ... + 5735925.

It is an arithmetic number, because the mean of its divisors is an integer number (133836500).

Almost surely, 2^871849124 is an apocalyptic number.

It is an amenable number.

871849124 is a deficient number, since it is larger than the sum of its proper divisors (734188876).

871849124 is a wasteful number, since it uses less digits than its factorization.

871849124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11471722 (or 11471720 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 871849124 is about 29527.0913569217. The cubic root of 871849124 is about 955.3161326501.

The spelling of 871849124 in words is "eight hundred seventy-one million, eight hundred forty-nine thousand, one hundred twenty-four".