112172117 has 4 divisors (see below), whose sum is σ = 112925100. Its totient is φ = 111419136.

The previous prime is 112172101. The next prime is 112172141. The reversal of 112172117 is 711271211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5958481 + 106213636 = 2441^2 + 10306^2 .

It is a cyclic number.

It is not a de Polignac number, because 112172117 - 2⁴ = 112172101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112172092 and 112172101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112172147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376268 + ... + 376565.

It is an arithmetic number, because the mean of its divisors is an integer number (28231275).

Almost surely, 2^112172117 is an apocalyptic number.

It is an amenable number.

112172117 is a deficient number, since it is larger than the sum of its proper divisors (752983).

112172117 is an equidigital number, since it uses as much as digits as its factorization.

112172117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752982.

The product of its digits is 196, while the sum is 23.

The square root of 112172117 is about 10591.1338864165. The cubic root of 112172117 is about 482.2752469667.

The spelling of 112172117 in words is "one hundred twelve million, one hundred seventy-two thousand, one hundred seventeen".