2124889 has 8 divisors (see below), whose sum is σ = 2305800. Its totient is φ = 1946496.

The previous prime is 2124887. The next prime is 2124919. The reversal of 2124889 is 9884212.

It can be written as a sum of positive squares in 4 ways, for example, as 36864 + 2088025 = 192^2 + 1445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2124889 - 2¹ = 2124887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389 + ... + 2485.

It is an arithmetic number, because the mean of its divisors is an integer number (288225).

2^2124889 is an apocalyptic number.

It is an amenable number.

2124889 is a deficient number, since it is larger than the sum of its proper divisors (180911).

2124889 is a wasteful number, since it uses less digits than its factorization.

2124889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259.

The product of its digits is 9216, while the sum is 34.

The square root of 2124889 is about 1457.6999005282. The cubic root of 2124889 is about 128.5618409664.

The spelling of 2124889 in words is "two million, one hundred twenty-four thousand, eight hundred eighty-nine".