1122440042 has 16 divisors (see below), whose sum is σ = 1736108640. Its totient is φ = 543992592.

The previous prime is 1122440027. The next prime is 1122440063. The reversal of 1122440042 is 2400442211.

It is a junction number, because it is equal to n+sod(n) for n = 1122439996 and 1122440023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54992 + ... + 72587.

It is an arithmetic number, because the mean of its divisors is an integer number (108506790).

Almost surely, 2^1122440042 is an apocalyptic number.

1122440042 is a deficient number, since it is larger than the sum of its proper divisors (613668598).

1122440042 is a wasteful number, since it uses less digits than its factorization.

1122440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127717.

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

The square root of 1122440042 is about 33502.8363276902. The cubic root of 1122440042 is about 1039.2524342923.

Adding to 1122440042 its reverse (2400442211), we get a palindrome (3522882253).

The spelling of 1122440042 in words is "one billion, one hundred twenty-two million, four hundred forty thousand, forty-two".