1112220126 has 64 divisors (see below), whose sum is σ = 2531865600. Its totient is φ = 361749888.

The previous prime is 1112220107. The next prime is 1112220143. The reversal of 1112220126 is 6210222111.

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

It is a junction number, because it is equal to n+sod(n) for n = 1112220099 and 1112220108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1504665 + ... + 1505403.

It is an arithmetic number, because the mean of its divisors is an integer number (39560400).

Almost surely, 2^1112220126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112220126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265932800).

1112220126 is an abundant number, since it is smaller than the sum of its proper divisors (1419645474).

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

1112220126 is a wasteful number, since it uses less digits than its factorization.

1112220126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1112220126 is about 33349.9644077771. The cubic root of 1112220126 is about 1036.0886507772.

Adding to 1112220126 its reverse (6210222111), we get a palindrome (7322442237).

The spelling of 1112220126 in words is "one billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty-six".