It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1020021 = 3 ⋅340007.
It is a cyclic number.
It is a D-number.
1200201 is a lucky number.
It is a plaindrome in base 14.
It is a self number, because there is not a number n which added to its sum of digits gives 1200201.
21200201 is an apocalyptic number.
It is an amenable number.
1200201 is an equidigital number, since it uses as much as digits as its factorization.
1200201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400070.
The square root of 1200201 is about 1095.5368546973. The cubic root of 1200201 is about 106.2717897640.
Adding to 1200201 its reverse (1020021), we get a palindrome (2220222).
The spelling of 1200201 in words is "one million, two hundred thousand, two hundred one".