112505400 has 144 divisors (see below), whose sum is σ = 431854800. Its totient is φ = 25712640.

The previous prime is 112505387. The next prime is 112505429. The reversal of 112505400 is 4505211.

112505400 is a `hidden beast` number, since 1 + 125 + 0 + 540 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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 35 ways as a sum of consecutive naturals, for example, 8136 + ... + 17064.

Almost surely, 2^112505400 is an apocalyptic number.

112505400 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 112505400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215927400).

112505400 is an abundant number, since it is smaller than the sum of its proper divisors (319349400).

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

112505400 is a wasteful number, since it uses less digits than its factorization.

112505400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958 (or 8946 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 112505400 is about 10606.8562731848. The cubic root of 112505400 is about 482.7524160943.

The spelling of 112505400 in words is "one hundred twelve million, five hundred five thousand, four hundred".