209001

209001 is a natural number that sits between 209000 and 209002. In arithmetic it is odd and composite, and it can be examined without reference to any particular real-world object.

Prime factorization of 209001 is 3 × 13 × 23 × 233, which shows that the number is square-free. Consequently, 209001 has 16 positive divisors. The sum of its digits is 12, so its digital root is 3, and it is divisible by 3 but not by 9. The Euler totient φ(209001) equals 122,496.

In contexts outside pure math, 209001 may appear as a catalog or identification number, such as in inventories, datasets, or product codes. Without additional context, the number does not point to a particular widely known entity.

See also: 209000, 209002, natural numbers, prime factorization.