2120441 has 4 divisors (see below), whose sum is σ = 2127972. Its totient is φ = 2112912.

The previous prime is 2120429. The next prime is 2120453. The reversal of 2120441 is 1440212.

2120441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (2120429) and next prime (2120453).

It can be written as a sum of positive squares in 2 ways, for example, as 1755625 + 364816 = 1325^2 + 604^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120441 - 2¹⁴ = 2104057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120411) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3326 + ... + 3911.

It is an arithmetic number, because the mean of its divisors is an integer number (531993).

2^2120441 is an apocalyptic number.

It is an amenable number.

2120441 is a deficient number, since it is larger than the sum of its proper divisors (7531).

2120441 is an equidigital number, since it uses as much as digits as its factorization.

2120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2120441 is about 1456.1734100031. The cubic root of 2120441 is about 128.4720727411.

Adding to 2120441 its reverse (1440212), we get a palindrome (3560653).

The spelling of 2120441 in words is "two million, one hundred twenty thousand, four hundred forty-one".