Adding to 122122 its reverse (221221), we get a palindrome (343343).
Subtracting 122122 from its reverse (221221), we obtain a palindrome (99099).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
2122122 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122122 is a wasteful number, since it uses less digits than its factorization.
122122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94.
The square root of 122122 is about 349.4595827846. The cubic root of 122122 is about 49.6132833829.
The spelling of 122122 in words is "one hundred twenty-two thousand, one hundred twenty-two", and thus it is an iban number.