2124890 has 16 divisors (see below), whose sum is σ = 3863808. Its totient is φ = 841296.

The previous prime is 2124887. The next prime is 2124919. The reversal of 2124890 is 984212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 2061.

It is an arithmetic number, because the mean of its divisors is an integer number (241488).

2^2124890 is an apocalyptic number.

2124890 is a deficient number, since it is larger than the sum of its proper divisors (1738918).

2124890 is a wasteful number, since it uses less digits than its factorization.

2124890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2124890 is about 1457.7002435343. The cubic root of 2124890 is about 128.5618611340.

The spelling of 2124890 in words is "two million, one hundred twenty-four thousand, eight hundred ninety".