112003209 has 16 divisors (see below), whose sum is σ = 169463040. Its totient is φ = 73079280.

The previous prime is 112003189. The next prime is 112003211. The reversal of 112003209 is 902300211.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-112003209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112003191 and 112003200.

It is not an unprimeable number, because it can be changed into a prime (112003289) 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 15 ways as a sum of consecutive naturals, for example, 42862 + ... + 45399.

It is an arithmetic number, because the mean of its divisors is an integer number (10591440).

Almost surely, 2^112003209 is an apocalyptic number.

It is an amenable number.

112003209 is a deficient number, since it is larger than the sum of its proper divisors (57459831).

112003209 is an equidigital number, since it uses as much as digits as its factorization.

112003209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88317 (or 88311 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 112003209 is about 10583.1568541716. The cubic root of 112003209 is about 482.0330564497.

The spelling of 112003209 in words is "one hundred twelve million, three thousand, two hundred nine".