2100124 has 12 divisors (see below), whose sum is σ = 3958024. Its totient is φ = 969264.

The previous prime is 2100121. The next prime is 2100167. The reversal of 2100124 is 4210012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100121) 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, 20142 + ... + 20245.

2^2100124 is an apocalyptic number.

It is an amenable number.

2100124 is a deficient number, since it is larger than the sum of its proper divisors (1857900).

2100124 is a wasteful number, since it uses less digits than its factorization.

2100124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40404 (or 40402 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2100124 is about 1449.1804580521. The cubic root of 2100124 is about 128.0604369542.

Adding to 2100124 its reverse (4210012), we get a palindrome (6310136).

It can be divided in two parts, 210012 and 4, that multiplied together give a palindrome (840048).

The spelling of 2100124 in words is "two million, one hundred thousand, one hundred twenty-four".