1112133444 has 48 divisors (see below), whose sum is σ = 2723051520. Its totient is φ = 352596640.

The previous prime is 1112133437. The next prime is 1112133461. The reversal of 1112133444 is 4443312111.

It is a super-2 number, since 2×1112133444² = 2473681594526602272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38149 + ... + 60659.

It is an arithmetic number, because the mean of its divisors is an integer number (56730240).

Almost surely, 2^1112133444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112133444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1361525760).

1112133444 is an abundant number, since it is smaller than the sum of its proper divisors (1610918076).

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

1112133444 is a wasteful number, since it uses less digits than its factorization.

1112133444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22720 (or 22718 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 1112133444 is about 33348.6648008582. The cubic root of 1112133444 is about 1036.0617338724.

Adding to 1112133444 its reverse (4443312111), we get a palindrome (5555445555).

The spelling of 1112133444 in words is "one billion, one hundred twelve million, one hundred thirty-three thousand, four hundred forty-four".