1224200 has 24 divisors (see below), whose sum is σ = 2846730. Its totient is φ = 489600.

The previous prime is 1224193. The next prime is 1224203. The reversal of 1224200 is 24221.

It can be written as a sum of positive squares in 3 ways, for example, as 649636 + 574564 = 806^2 + 758^2 .

It is not an unprimeable number, because it can be changed into a prime (1224203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2861 + ... + 3260.

2^1224200 is an apocalyptic number.

1224200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224200 is an abundant number, since it is smaller than the sum of its proper divisors (1622530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224200 is a wasteful number, since it uses less digits than its factorization.

1224200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137 (or 6128 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1224200 is about 1106.4357188739. The cubic root of 1224200 is about 106.9754507398.

Adding to 1224200 its reverse (24221), we get a palindrome (1248421).

The spelling of 1224200 in words is "one million, two hundred twenty-four thousand, two hundred".