112020009 has 8 divisors (see below), whose sum is σ = 150839232. Its totient is φ = 73940400.

The previous prime is 112019993. The next prime is 112020043. The reversal of 112020009 is 900020211.

It is a happy number.

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

It is not a de Polignac number, because 112020009 - 2⁴ = 112019993 is a prime.

It is a super-3 number, since 3×112020009³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112020009.

It is not an unprimeable number, because it can be changed into a prime (112020049) 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, 184549 + ... + 185154.

It is an arithmetic number, because the mean of its divisors is an integer number (18854904).

Almost surely, 2^112020009 is an apocalyptic number.

It is an amenable number.

112020009 is a deficient number, since it is larger than the sum of its proper divisors (38819223).

112020009 is a wasteful number, since it uses less digits than its factorization.

112020009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369807.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 112020009 is about 10583.9505384332. The cubic root of 112020009 is about 482.0571562071.

The spelling of 112020009 in words is "one hundred twelve million, twenty thousand, nine".