112100009 has 8 divisors (see below), whose sum is σ = 128298240. Its totient is φ = 95947776.

The previous prime is 112099991. The next prime is 112100033. The reversal of 112100009 is 900001211.

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 112100009 - 2¹² = 112095913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112099966 and 112100002.

It is not an unprimeable number, because it can be changed into a prime (112100099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6104 + ... + 16169.

It is an arithmetic number, because the mean of its divisors is an integer number (16037280).

Almost surely, 2^112100009 is an apocalyptic number.

It is an amenable number.

112100009 is a deficient number, since it is larger than the sum of its proper divisors (16198231).

112100009 is an equidigital number, since it uses as much as digits as its factorization.

112100009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22999.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 112100009 is about 10587.7291710735. The cubic root of 112100009 is about 482.1718839124.

The spelling of 112100009 in words is "one hundred twelve million, one hundred thousand, nine".