112009985 has 8 divisors (see below), whose sum is σ = 134888640. Its totient is φ = 89290224.

The previous prime is 112009981. The next prime is 112009987. The reversal of 112009985 is 589900211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112009985 - 2² = 112009981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112009981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38165 + ... + 40994.

It is an arithmetic number, because the mean of its divisors is an integer number (16861080).

Almost surely, 2^112009985 is an apocalyptic number.

It is an amenable number.

112009985 is a deficient number, since it is larger than the sum of its proper divisors (22878655).

112009985 is an equidigital number, since it uses as much as digits as its factorization.

112009985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79447.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 112009985 is about 10583.4769806524. The cubic root of 112009985 is about 482.0427769752.

The spelling of 112009985 in words is "one hundred twelve million, nine thousand, nine hundred eighty-five".