112165789 has 4 divisors (see below), whose sum is σ = 112267324. Its totient is φ = 112064256.

The previous prime is 112165787. The next prime is 112165793. The reversal of 112165789 is 987561211.

It is a happy number.

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 5560164 + 106605625 = 2358^2 + 10325^2 .

It is a cyclic number.

It is not a de Polignac number, because 112165789 - 2¹ = 112165787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112165783) 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, 49092 + ... + 51325.

It is an arithmetic number, because the mean of its divisors is an integer number (28066831).

Almost surely, 2^112165789 is an apocalyptic number.

It is an amenable number.

112165789 is a deficient number, since it is larger than the sum of its proper divisors (101535).

112165789 is a wasteful number, since it uses less digits than its factorization.

112165789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101534.

The product of its digits is 30240, while the sum is 40.

The square root of 112165789 is about 10590.8351417629. The cubic root of 112165789 is about 482.2661778824.

The spelling of 112165789 in words is "one hundred twelve million, one hundred sixty-five thousand, seven hundred eighty-nine".