2124559 has 4 divisors (see below), whose sum is σ = 2134840. Its totient is φ = 2114280.

The previous prime is 2124553. The next prime is 2124571. The reversal of 2124559 is 9554212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2124559 - 2⁷ = 2124431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4824 + ... + 5245.

It is an arithmetic number, because the mean of its divisors is an integer number (533710).

2^2124559 is an apocalyptic number.

2124559 is a deficient number, since it is larger than the sum of its proper divisors (10281).

2124559 is a wasteful number, since it uses less digits than its factorization.

2124559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10280.

The product of its digits is 3600, while the sum is 28.

The square root of 2124559 is about 1457.5867041106. The cubic root of 2124559 is about 128.5551853083. Note that the first 3 decimals are identical.

The spelling of 2124559 in words is "two million, one hundred twenty-four thousand, five hundred fifty-nine".