100007209 has 8 divisors (see below), whose sum is σ = 109306368. Its totient is φ = 91087680.

The previous prime is 100007191. The next prime is 100007213. The reversal of 100007209 is 902700001.

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 100007209 - 2⁵ = 100007177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100007009) 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, 94357 + ... + 95410.

It is an arithmetic number, because the mean of its divisors is an integer number (13663296).

Almost surely, 2^100007209 is an apocalyptic number.

It is an amenable number.

100007209 is a deficient number, since it is larger than the sum of its proper divisors (9299159).

100007209 is a wasteful number, since it uses less digits than its factorization.

100007209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189815.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 100007209 is about 10000.3604435040. The cubic root of 100007209 is about 464.1700368312.

The spelling of 100007209 in words is "one hundred million, seven thousand, two hundred nine".