2120439 has 16 divisors (see below), whose sum is σ = 2995200. Its totient is φ = 1331616.

The previous prime is 2120429. The next prime is 2120453. The reversal of 2120439 is 9340212.

It is not a de Polignac number, because 2120439 - 2⁴ = 2120423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5257 + ... + 5645.

It is an arithmetic number, because the mean of its divisors is an integer number (187200).

2^2120439 is an apocalyptic number.

2120439 is a deficient number, since it is larger than the sum of its proper divisors (874761).

2120439 is a wasteful number, since it uses less digits than its factorization.

2120439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2120439 is about 1456.1727232715. The cubic root of 2120439 is about 128.4720323495.

The spelling of 2120439 in words is "two million, one hundred twenty thousand, four hundred thirty-nine".