1224350201 has 4 divisors (see below), whose sum is σ = 1224432372. Its totient is φ = 1224268032.

The previous prime is 1224350189. The next prime is 1224350203. The reversal of 1224350201 is 1020534221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 453732601 + 770617600 = 21301^2 + 27760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224350201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224350203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11756 + ... + 50861.

It is an arithmetic number, because the mean of its divisors is an integer number (306108093).

Almost surely, 2^1224350201 is an apocalyptic number.

It is an amenable number.

1224350201 is a deficient number, since it is larger than the sum of its proper divisors (82171).

1224350201 is an equidigital number, since it uses as much as digits as its factorization.

1224350201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82170.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1224350201 is about 34990.7159257995. The cubic root of 1224350201 is about 1069.7982561386.

Adding to 1224350201 its reverse (1020534221), we get a palindrome (2244884422).

The spelling of 1224350201 in words is "one billion, two hundred twenty-four million, three hundred fifty thousand, two hundred one".