1122420044 has 6 divisors (see below), whose sum is σ = 1964235084. Its totient is φ = 561210020.

The previous prime is 1122420017. The next prime is 1122420083. The reversal of 1122420044 is 4400242211.

It is a junction number, because it is equal to n+sod(n) for n = 1122419998 and 1122420025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140302502 + ... + 140302509.

It is an arithmetic number, because the mean of its divisors is an integer number (327372514).

Almost surely, 2^1122420044 is an apocalyptic number.

It is an amenable number.

1122420044 is a deficient number, since it is larger than the sum of its proper divisors (841815040).

1122420044 is a wasteful number, since it uses less digits than its factorization.

1122420044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280605015 (or 280605013 counting only the distinct ones).

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

The square root of 1122420044 is about 33502.5378740178. The cubic root of 1122420044 is about 1039.2462622942.

Adding to 1122420044 its reverse (4400242211), we get a palindrome (5522662255).

The spelling of 1122420044 in words is "one billion, one hundred twenty-two million, four hundred twenty thousand, forty-four".