112505225 has 18 divisors (see below), whose sum is σ = 162284814. Its totient is φ = 77145600.

The previous prime is 112505221. The next prime is 112505227. The reversal of 112505225 is 522505211.

It can be written as a sum of positive squares in 3 ways, for example, as 19324816 + 93180409 = 4396^2 + 9653^2 .

It is not a de Polignac number, because 112505225 - 2² = 112505221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112505225.

It is not an unprimeable number, because it can be changed into a prime (112505221) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 44696 + ... + 47145.

It is an arithmetic number, because the mean of its divisors is an integer number (9015823).

Almost surely, 2^112505225 is an apocalyptic number.

It is an amenable number.

112505225 is a deficient number, since it is larger than the sum of its proper divisors (49779589).

112505225 is an equidigital number, since it uses as much as digits as its factorization.

112505225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91865 (or 91853 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 112505225 is about 10606.8480238005. The cubic root of 112505225 is about 482.7521657901.

The spelling of 112505225 in words is "one hundred twelve million, five hundred five thousand, two hundred twenty-five".