1112428944 has 160 divisors (see below), whose sum is σ = 3511918080. Its totient is φ = 334339200.

The previous prime is 1112428901. The next prime is 1112428981. The reversal of 1112428944 is 4498242111.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 1112428899 and 1112428908.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 621619 + ... + 623405.

It is an arithmetic number, because the mean of its divisors is an integer number (21949488).

Almost surely, 2^1112428944 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 1112428944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755959040).

1112428944 is an abundant number, since it is smaller than the sum of its proper divisors (2399489136).

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

1112428944 is a wasteful number, since it uses less digits than its factorization.

1112428944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1934 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1112428944 is about 33353.0949688331. The cubic root of 1112428944 is about 1036.1534881885.

The spelling of 1112428944 in words is "one billion, one hundred twelve million, four hundred twenty-eight thousand, nine hundred forty-four".