112172125 has 16 divisors (see below), whose sum is σ = 150761520. Its totient is φ = 82833600.

The previous prime is 112172101. The next prime is 112172141. The reversal of 112172125 is 521271211.

It can be written as a sum of positive squares in 8 ways, for example, as 70207641 + 41964484 = 8379^2 + 6478^2 .

It is a de Polignac number, because none of the positive numbers 2^k-112172125 is a prime.

It is a super-3 number, since 3×112172125³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112172096 and 112172105.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32890 + ... + 36139.

It is an arithmetic number, because the mean of its divisors is an integer number (9422595).

Almost surely, 2^112172125 is an apocalyptic number.

It is an amenable number.

112172125 is a deficient number, since it is larger than the sum of its proper divisors (38589395).

112172125 is an equidigital number, since it uses as much as digits as its factorization.

112172125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69057 (or 69047 counting only the distinct ones).

The product of its digits is 280, while the sum is 22.

The square root of 112172125 is about 10591.1342640909. The cubic root of 112172125 is about 482.2752584319.

The spelling of 112172125 in words is "one hundred twelve million, one hundred seventy-two thousand, one hundred twenty-five".