1112427144 has 96 divisors (see below), whose sum is σ = 3082767480. Its totient is φ = 362299392.

The previous prime is 1112427139. The next prime is 1112427179. The reversal of 1112427144 is 4417242111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 328987044 + 783440100 = 18138^2 + 27990^2 .

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 23 ways as a sum of consecutive naturals, for example, 592992 + ... + 594864.

Almost surely, 2^1112427144 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 1112427144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1541383740).

1112427144 is an abundant number, since it is smaller than the sum of its proper divisors (1970340336).

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

1112427144 is a wasteful number, since it uses less digits than its factorization.

1112427144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071 (or 2064 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1112427144 is about 33353.0679848196. The cubic root of 1112427144 is about 1036.1529293281.

Adding to 1112427144 its reverse (4417242111), we get a palindrome (5529669255).

The spelling of 1112427144 in words is "one billion, one hundred twelve million, four hundred twenty-seven thousand, one hundred forty-four".