1112123922 has 256 divisors, whose sum is σ = 3096576000. Its totient is φ = 257976576.

The previous prime is 1112123897. The next prime is 1112123923. The reversal of 1112123922 is 2293212111.

It is a junction number, because it is equal to n+sod(n) for n = 1112123892 and 1112123901.

It is not an unprimeable number, because it can be changed into a prime (1112123923) 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 127 ways as a sum of consecutive naturals, for example, 14077479 + ... + 14077557.

It is an arithmetic number, because the mean of its divisors is an integer number (12096000).

Almost surely, 2^1112123922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112123922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548288000).

1112123922 is an abundant number, since it is smaller than the sum of its proper divisors (1984452078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112123922 is a wasteful number, since it uses less digits than its factorization.

1112123922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its digits is 432, while the sum is 24.

The square root of 1112123922 is about 33348.5220362162. The cubic root of 1112123922 is about 1036.0587769707.

The spelling of 1112123922 in words is "one billion, one hundred twelve million, one hundred twenty-three thousand, nine hundred twenty-two".