112123500 has 96 divisors (see below), whose sum is σ = 345788352. Its totient is φ = 28134400.

The previous prime is 112123499. The next prime is 112123507. The reversal of 112123500 is 5321211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112123500.

It is not an unprimeable number, because it can be changed into a prime (112123507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23302 + ... + 27698.

It is an arithmetic number, because the mean of its divisors is an integer number (3601962).

Almost surely, 2^112123500 is an apocalyptic number.

112123500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112123500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172894176).

112123500 is an abundant number, since it is smaller than the sum of its proper divisors (233664852).

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

112123500 is a wasteful number, since it uses less digits than its factorization.

112123500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436 (or 4424 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 112123500 is about 10588.8384632121. The cubic root of 112123500 is about 482.2055619015.

Adding to 112123500 its reverse (5321211), we get a palindrome (117444711).

The spelling of 112123500 in words is "one hundred twelve million, one hundred twenty-three thousand, five hundred".