1112443002 has 48 divisors (see below), whose sum is σ = 2638834848. Its totient is φ = 335895840.

The previous prime is 1112442983. The next prime is 1112443021. The reversal of 1112443002 is 2003442111.

It is an interprime number because it is at equal distance from previous prime (1112442983) and next prime (1112443021).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 46108 + ... + 65960.

It is an arithmetic number, because the mean of its divisors is an integer number (54975726).

Almost surely, 2^1112443002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112443002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319417424).

1112443002 is an abundant number, since it is smaller than the sum of its proper divisors (1526391846).

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

1112443002 is a wasteful number, since it uses less digits than its factorization.

1112443002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20155 (or 20152 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1112443002 is about 33353.3057132273. The cubic root of 1112443002 is about 1036.1578528671.

Adding to 1112443002 its reverse (2003442111), we get a palindrome (3115885113).

The spelling of 1112443002 in words is "one billion, one hundred twelve million, four hundred forty-three thousand, two".