112240128 has 320 divisors, whose sum is σ = 406973952. Its totient is φ = 26542080.

The previous prime is 112240109. The next prime is 112240133. The reversal of 112240128 is 821042211.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1537500 + ... + 1537572.

Almost surely, 2^112240128 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 112240128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203486976).

112240128 is an abundant number, since it is smaller than the sum of its proper divisors (294733824).

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

112240128 is a wasteful number, since it uses less digits than its factorization.

112240128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 112240128 is about 10594.3441514801. The cubic root of 112240128 is about 482.3726966002.

Adding to 112240128 its reverse (821042211), we get a palindrome (933282339).

The spelling of 112240128 in words is "one hundred twelve million, two hundred forty thousand, one hundred twenty-eight".