1112443000 has 64 divisors (see below), whose sum is σ = 2658614400. Its totient is φ = 435491200.

The previous prime is 1112442983. The next prime is 1112443021. The reversal of 1112443000 is 3442111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35166 + ... + 58834.

It is an arithmetic number, because the mean of its divisors is an integer number (41540850).

Almost surely, 2^1112443000 is an apocalyptic number.

1112443000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112443000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329307200).

1112443000 is an abundant number, since it is smaller than the sum of its proper divisors (1546171400).

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

1112443000 is a wasteful number, since it uses less digits than its factorization.

1112443000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23737 (or 23723 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1112443000 is about 33353.3056832453. The cubic root of 1112443000 is about 1036.1578522461.

Adding to 1112443000 its reverse (3442111), we get a palindrome (1115885111).

It can be divided in two parts, 111244 and 3000, that added together give a square (114244 = 338²).

The spelling of 1112443000 in words is "one billion, one hundred twelve million, four hundred forty-three thousand".