2124918 has 12 divisors (see below), whose sum is σ = 4604028. Its totient is φ = 708300.

The previous prime is 2124887. The next prime is 2124919. The reversal of 2124918 is 8194212.

It is a junction number, because it is equal to n+sod(n) for n = 2124891 and 2124900.

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 5 ways as a sum of consecutive naturals, for example, 59008 + ... + 59043.

It is an arithmetic number, because the mean of its divisors is an integer number (383669).

2^2124918 is an apocalyptic number.

2124918 is an abundant number, since it is smaller than the sum of its proper divisors (2479110).

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

2124918 is a wasteful number, since it uses less digits than its factorization.

2124918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118059 (or 118056 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 2124918 is about 1457.7098476720. The cubic root of 2124918 is about 128.5624258247.

Subtracting from 2124918 its sum of digits (27), we obtain a triangular number (2124891 = T₂₀₆₁).

The spelling of 2124918 in words is "two million, one hundred twenty-four thousand, nine hundred eighteen".