A112717 9-digit numbers n such that phi(n) = d_1 d_2 d_3*d_4 d_5 d_6* d_7 d_8 d_9 where d_1 d_2 ... d_9 is the decimal expansion of n.
102873384, 104754444, 104840625, 104963320, 106600792, 108512770, 108860625, 108864585, 110640784, 110756648, 116660400, 116672500, 117480648, 120297912, 120876448, 120916400, 121864290, 124704384, 125792500, 126528640, 128333700
Offset: 1
Examples
phi(128972250)=128*972*250, so 128972250 is in the sequence.
Programs
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Mathematica
Do[h=IntegerDigits[n]; k=Length[h]; If[EulerPhi[n]==Product[ 100*h[[3j-2]]+10h[[3j-1]]+h[[3j]], {j, k/3}], Print[n]], {n, 10^8, 128400000}]