If you found this file on your device and do not remember downloading it:
Look at your browser history or "Downloads" folder to see which website or app the file came from. 122 (1).mp4
Many Learning Management Systems (LMS) export lecture videos with simple numeric names. If you found this file on your device
If you are looking for a guide related to this specific file, here is how you can identify its content and find the information you need: 1. Identify the Source 122 (1).mp4