1122042044 has 12 divisors (see below), whose sum is σ = 1964361168. Its totient is φ = 560796000.

The previous prime is 1122042029. The next prime is 1122042049. The reversal of 1122042044 is 4402402211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122042049) 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, 44777 + ... + 65184.

It is an arithmetic number, because the mean of its divisors is an integer number (163696764).

Almost surely, 2^1122042044 is an apocalyptic number.

It is an amenable number.

1122042044 is a deficient number, since it is larger than the sum of its proper divisors (842319124).

1122042044 is a wasteful number, since it uses less digits than its factorization.

1122042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112516 (or 112514 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1122042044 is about 33496.8960353045. The cubic root of 1122042044 is about 1039.1295860712.

Adding to 1122042044 its reverse (4402402211), we get a palindrome (5524444255).

The spelling of 1122042044 in words is "one billion, one hundred twenty-two million, forty-two thousand, forty-four".