1020421

1020421 is a seven-digit integer in base-10 notation. In mathematics it is odd, since it ends with 1. The sum of its digits is 10, which means it is not divisible by 3 or 9. The digital root of the number is 1. There is no widely cited mathematical property or theorem that assigns special significance to this specific value.

In computing and data management, 1020421 commonly appears as an identifier such as a serial number, product code, or database key, assigned within a particular system. The exact meaning depends on the context and organization, so the same sequence can denote different things in different applications. If used as a date-like code in a fixed-width format, parts of the sequence could be interpreted as year, month, or day, but such interpretation requires a documented scheme.

There is no well-known historical, cultural, or scientific significance attached to 1020421. Related integers include 1020420 and 1020422.