121422 has 32 divisors (see below), whose sum is σ = 288000. Its totient is φ = 34104.
The previous prime is 121421. The next prime is 121439. The reversal of 121422 is 224121.
It is a junction number, because it is equal to n+sod(n) for n = 121398 and 121407.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121422.
It is not an unprimeable number, because it can be changed into a prime (121421) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2029 + ... + 2087.
It is an arithmetic number, because the mean of its divisors is an integer number (9000).
2121422 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144000).
121422 is an abundant number, since it is smaller than the sum of its proper divisors (166578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121422 is an equidigital number, since it uses as much as digits as its factorization.
121422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85 (or 71 counting only the distinct ones).
The product of its digits is 32, while the sum is 12.
The square root of 121422 is about 348.4565970103. The cubic root of 121422 is about 49.5183076857.
Adding to 121422 its reverse (224121), we get a palindrome (345543).
The spelling of 121422 in words is "one hundred twenty-one thousand, four hundred twenty-two", and thus it is an iban number.
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