1110122442 has 128 divisors (see below), whose sum is σ = 2915377920. Its totient is φ = 308689920.

The previous prime is 1110122401. The next prime is 1110122449. The reversal of 1110122442 is 2442210111.

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

It is not an unprimeable number, because it can be changed into a prime (1110122449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1798918 + ... + 1799534.

It is an arithmetic number, because the mean of its divisors is an integer number (22776390).

Almost surely, 2^1110122442 is an apocalyptic number.

It is a pronic number, being equal to 33318×33319.

It is a practical number, because each smaller number is the sum of distinct divisors of 1110122442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457688960).

1110122442 is an abundant number, since it is smaller than the sum of its proper divisors (1805255478).

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

1110122442 is a wasteful number, since it uses less digits than its factorization.

1110122442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1110122442 is about 33318.4999962483. The cubic root of 1110122442 is about 1035.4368750098.

Adding to 1110122442 its reverse (2442210111), we get a palindrome (3552332553).

The spelling of 1110122442 in words is "one billion, one hundred ten million, one hundred twenty-two thousand, four hundred forty-two".