2124138892 has 12 divisors (see below), whose sum is σ = 3717624456. Its totient is φ = 1061960480.

The previous prime is 2124138871. The next prime is 2124138911. The reversal of 2124138892 is 2988314212.

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, 29967 + ... + 71737.

It is an arithmetic number, because the mean of its divisors is an integer number (309802038).

Almost surely, 2^2124138892 is an apocalyptic number.

It is an amenable number.

2124138892 is a deficient number, since it is larger than the sum of its proper divisors (1593485564).

2124138892 is a wasteful number, since it uses less digits than its factorization.

2124138892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54488 (or 54486 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 2124138892 is about 46088.3813124306. The cubic root of 2124138892 is about 1285.4671129532.

The spelling of 2124138892 in words is "two billion, one hundred twenty-four million, one hundred thirty-eight thousand, eight hundred ninety-two".