Adding to 1424255 its reverse (5524241), we get a palindrome (6948496).
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1424255.
It is a congruent number.
21424255 is an apocalyptic number.
1424255 is an equidigital number, since it uses as much as digits as its factorization.
1424255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40705.
The square root of 1424255 is about 1193.4215516740. The cubic root of 1424255 is about 112.5112416750.
The spelling of 1424255 in words is "one million, four hundred twenty-four thousand, two hundred fifty-five".