Adding to 142122 its reverse (221241), we get a palindrome (363363).
It is a sphenic number, since it is the product of 3 distinct primes.
142122 is an admirable number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142122.
142122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2142122 is an apocalyptic number.
142122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142122 is a wasteful number, since it uses less digits than its factorization.
142122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23692.
The square root of 142122 is about 376.9907160661. The cubic root of 142122 is about 52.1859711864.
The spelling of 142122 in words is "one hundred forty-two thousand, one hundred twenty-two", and thus it is an iban number.