112857810 has 96 divisors (see below), whose sum is σ = 300307392. Its totient is φ = 26981760.

The previous prime is 112857809. The next prime is 112857827. The reversal of 112857810 is 18758211.

It is a super-2 number, since 2×112857810² = 25473770555992200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 861445 + ... + 861575.

It is an arithmetic number, because the mean of its divisors is an integer number (3128202).

Almost surely, 2^112857810 is an apocalyptic number.

112857810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112857810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150153696).

112857810 is an abundant number, since it is smaller than the sum of its proper divisors (187449582).

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

112857810 is a wasteful number, since it uses less digits than its factorization.

112857810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 33.

The square root of 112857810 is about 10623.4556524702. The cubic root of 112857810 is about 483.2559458608.

The spelling of 112857810 in words is "one hundred twelve million, eight hundred fifty-seven thousand, eight hundred ten".