2124872 has 16 divisors (see below), whose sum is σ = 4012800. Its totient is φ = 1054800.

The previous prime is 2124869. The next prime is 2124877. The reversal of 2124872 is 2784212.

It is not an unprimeable number, because it can be changed into a prime (2124877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329 + ... + 2087.

It is an arithmetic number, because the mean of its divisors is an integer number (250800).

2^2124872 is an apocalyptic number.

It is an amenable number.

2124872 is a deficient number, since it is larger than the sum of its proper divisors (1887928).

2124872 is a wasteful number, since it uses less digits than its factorization.

2124872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1912 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 2124872 is about 1457.6940694124. The cubic root of 2124872 is about 128.5614981160.

The spelling of 2124872 in words is "two million, one hundred twenty-four thousand, eight hundred seventy-two".