2124912 has 20 divisors (see below), whose sum is σ = 5489480. Its totient is φ = 708288.

The previous prime is 2124887. The next prime is 2124919. The reversal of 2124912 is 2194212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124919) 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, 22087 + ... + 22182.

It is an arithmetic number, because the mean of its divisors is an integer number (274474).

2^2124912 is an apocalyptic number.

It is an amenable number.

2124912 is an abundant number, since it is smaller than the sum of its proper divisors (3364568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2124912 is a wasteful number, since it uses less digits than its factorization.

2124912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44280 (or 44274 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 2124912 is about 1457.7077896478. The cubic root of 2124912 is about 128.5623048199.

Subtracting from 2124912 its sum of digits (21), we obtain a triangular number (2124891 = T₂₀₆₁).

The spelling of 2124912 in words is "two million, one hundred twenty-four thousand, nine hundred twelve".