isPalindrome

class Solution:
    def isPalindrome(self, x: int) -> bool:
        
        if x < 0:
            return False
        
        length = math.ceil(math.log10(x))
        if length <= 1:
            return True
        
        new_x = 0
        for _ in range(length//2):
            new_x = new_x * 10 + x % 10
            x //= 10
            
        if length % 2 == 1:
            x //= 10
            
        return x == new_x