123121
123121 is a six-digit natural number in base-10. It lies between 123120 and 123122. The digits, 1, 2, 3, 1, 2, 1, yield a non-palindromic pattern.
In mathematical terms, it is an odd integer with digit sum 10, so it is not divisible
In other base representations, 123121 equals 0x1E0F1 in hexadecimal, and in binary it is 11110000011110001.
As a plain numeric string, it may appear in numerical examples, datasets, or identifiers in systems that