1112422542 has 128 divisors (see below), whose sum is σ = 2908569600. Its totient is φ = 275184000.

The previous prime is 1112422541. The next prime is 1112422547. The reversal of 1112422542 is 2452242111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112422541) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1057917 + ... + 1058967.

It is an arithmetic number, because the mean of its divisors is an integer number (22723200).

Almost surely, 2^1112422542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112422542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1454284800).

1112422542 is an abundant number, since it is smaller than the sum of its proper divisors (1796147058).

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

1112422542 is a wasteful number, since it uses less digits than its factorization.

1112422542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182.

The product of its digits is 1280, while the sum is 24.

The square root of 1112422542 is about 33352.9989955926. The cubic root of 1112422542 is about 1036.1515005057.

Adding to 1112422542 its reverse (2452242111), we get a palindrome (3564664653).

The spelling of 1112422542 in words is "one billion, one hundred twelve million, four hundred twenty-two thousand, five hundred forty-two".