2124990 has 48 divisors (see below), whose sum is σ = 6316128. Its totient is φ = 485568.

The previous prime is 2124973. The next prime is 2125001. The reversal of 2124990 is 994212.

2124990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057 + ... + 2316.

It is an arithmetic number, because the mean of its divisors is an integer number (131586).

2^2124990 is an apocalyptic number.

2124990 is an abundant number, since it is smaller than the sum of its proper divisors (4191138).

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

2124990 is a wasteful number, since it uses less digits than its factorization.

2124990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2124990 is about 1457.7345437356. The cubic root of 2124990 is about 128.5638778635.

The spelling of 2124990 in words is "two million, one hundred twenty-four thousand, nine hundred ninety".