2120444043 has 8 divisors (see below), whose sum is σ = 2838991056. Its totient is φ = 1407763200.

The previous prime is 2120444033. The next prime is 2120444047. The reversal of 2120444043 is 3404440212.

It is a happy number.

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

It is not a de Polignac number, because 2120444043 - 2⁶ = 2120443979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120444047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465698 + ... + 1467143.

It is an arithmetic number, because the mean of its divisors is an integer number (354873882).

Almost surely, 2^2120444043 is an apocalyptic number.

2120444043 is a deficient number, since it is larger than the sum of its proper divisors (718547013).

2120444043 is a wasteful number, since it uses less digits than its factorization.

2120444043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933085.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2120444043 is about 46048.2794792596. The cubic root of 2120444043 is about 1284.7213419693.

Adding to 2120444043 its reverse (3404440212), we get a palindrome (5524884255).

The spelling of 2120444043 in words is "two billion, one hundred twenty million, four hundred forty-four thousand, forty-three".