112840728 has 288 divisors, whose sum is σ = 394818480. Its totient is φ = 26611200.

The previous prime is 112840727. The next prime is 112840751. The reversal of 112840728 is 827048211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112840727) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1849818 + ... + 1849878.

Almost surely, 2^112840728 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 112840728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197409240).

112840728 is an abundant number, since it is smaller than the sum of its proper divisors (281977752).

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

112840728 is a wasteful number, since it uses less digits than its factorization.

112840728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 112840728 is about 10622.6516463640. The cubic root of 112840728 is about 483.2315629829.

Adding to 112840728 its reverse (827048211), we get a palindrome (939888939).

The spelling of 112840728 in words is "one hundred twelve million, eight hundred forty thousand, seven hundred twenty-eight".