1210

Number
$1210$ (one thousand, two hundred and ten) is:
 * $2 \times 5 \times 11^2$


 * The larger of the $2$nd amicable pair, with $1184$:
 * $\map {\sigma_1} {1184} = \map {\sigma_1} {1210} = 2394 = 1184 + 1210$