112807128 has 32 divisors (see below), whose sum is σ = 322306560. Its totient is φ = 32230560.

The previous prime is 112807091. The next prime is 112807133. The reversal of 112807128 is 821708211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112807095 and 112807104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335568 + ... + 335903.

It is an arithmetic number, because the mean of its divisors is an integer number (10072080).

Almost surely, 2^112807128 is an apocalyptic number.

It is an amenable number.

112807128 is an abundant number, since it is smaller than the sum of its proper divisors (209499432).

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

112807128 is a wasteful number, since it uses less digits than its factorization.

112807128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671487 (or 671483 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 112807128 is about 10621.0700025939. The cubic root of 112807128 is about 483.1835951004.

The spelling of 112807128 in words is "one hundred twelve million, eight hundred seven thousand, one hundred twenty-eight".