1201

Number
$1201$ (one thousand, two hundred and one) is:


 * The $197$th prime number


 * Possibly the smallest prime number which can be expressed in the form $x^2 + n y^2$ for all $n$ from $1$ to $10$

Also see

 * Smallest Prime Expressible as x^2 + n y^2 for n from 1 to 10