1112001209 has 8 divisors (see below), whose sum is σ = 1214248320. Its totient is φ = 1009946800.

The previous prime is 1112001203. The next prime is 1112001227. The reversal of 1112001209 is 9021002111.

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 1112001209 - 2¹² = 1111997113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112001203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35969 + ... + 59310.

It is an arithmetic number, because the mean of its divisors is an integer number (151781040).

Almost surely, 2^1112001209 is an apocalyptic number.

It is an amenable number.

1112001209 is a deficient number, since it is larger than the sum of its proper divisors (102247111).

1112001209 is a wasteful number, since it uses less digits than its factorization.

1112001209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96351.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1112001209 is about 33346.6821288116. The cubic root of 1112001209 is about 1036.0206689401.

The spelling of 1112001209 in words is "one billion, one hundred twelve million, one thousand, two hundred nine".