2124043442 has 4 divisors (see below), whose sum is σ = 3186065166. Its totient is φ = 1062021720.

The previous prime is 2124043391. The next prime is 2124043451. The reversal of 2124043442 is 2443404212.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2117748361 + 6295081 = 46019^2 + 2509^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 531010859 + ... + 531010862.

Almost surely, 2^2124043442 is an apocalyptic number.

2124043442 is a deficient number, since it is larger than the sum of its proper divisors (1062021724).

2124043442 is a wasteful number, since it uses less digits than its factorization.

2124043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062021723.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2124043442 is about 46087.3457903577. The cubic root of 2124043442 is about 1285.4478581429.

Adding to 2124043442 its reverse (2443404212), we get a palindrome (4567447654).

The spelling of 2124043442 in words is "two billion, one hundred twenty-four million, forty-three thousand, four hundred forty-two".