100199009 has 8 divisors (see below), whose sum is σ = 101088000. Its totient is φ = 99314032.

The previous prime is 100198999. The next prime is 100199023. The reversal of 100199009 is 900991001.

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 100199009 - 2⁴ = 100198993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100199059) 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, 68912 + ... + 70350.

It is an arithmetic number, because the mean of its divisors is an integer number (12636000).

Almost surely, 2^100199009 is an apocalyptic number.

It is an amenable number.

100199009 is a deficient number, since it is larger than the sum of its proper divisors (888991).

100199009 is a wasteful number, since it uses less digits than its factorization.

100199009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 100199009 is about 10009.9455043472. The cubic root of 100199009 is about 464.4665853173.

The spelling of 100199009 in words is "one hundred million, one hundred ninety-nine thousand, nine".