It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
2122320 is an apocalyptic number.
122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122320 is a wasteful number, since it uses less digits than its factorization.
122320 is an evil number, because the sum of its binary digits is even.
The square root of 122320 is about 349.7427626128. The cubic root of 122320 is about 49.6400820648.
Adding to 122320 its reverse (23221), we get a palindrome (145541).
Subtracting from 122320 its reverse (23221), we obtain a palindrome (99099).
The spelling of 122320 in words is "one hundred twenty-two thousand, three hundred twenty", and thus it is an iban number.