House (old around 1965) wiring and line voltage differences
Yes, you need to get this fixed. Comcast cables on the poles should not be burning. You need to report this to the power company and also to the cable company. Tell them are are cables burning on the pole. It is their responsibility to fix that. Your hot to ground reading should be 122V, same as your hot to neutral. Have the power company also check the grounding at your meter. They might tell you that you need an electrician.