121,174,961

Number
$121 \, 174 \, 961$ is:


 * The $6 \, 904 \, 742$nd prime number


 * The $6$th and last of the longest known sequence of consecutive prime numbers in arithmetic sequence:
 * $121 \, 174 \, 961 = 5 \times 30 + 121 \, 174 \, 811$