112140305 has 4 divisors (see below), whose sum is σ = 134568372. Its totient is φ = 89712240.

The previous prime is 112140283. The next prime is 112140359. The reversal of 112140305 is 503041211.

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 58967041 + 53173264 = 7679^2 + 7292^2 .

It is not a de Polignac number, because 112140305 - 2⁶ = 112140241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11214026 + ... + 11214035.

It is an arithmetic number, because the mean of its divisors is an integer number (33642093).

Almost surely, 2^112140305 is an apocalyptic number.

It is an amenable number.

112140305 is a deficient number, since it is larger than the sum of its proper divisors (22428067).

112140305 is an equidigital number, since it uses as much as digits as its factorization.

112140305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22428066.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 112140305 is about 10589.6319577217. The cubic root of 112140305 is about 482.2296515872.

Adding to 112140305 its reverse (503041211), we get a palindrome (615181516).

The spelling of 112140305 in words is "one hundred twelve million, one hundred forty thousand, three hundred five".