1224143201 has 8 divisors (see below), whose sum is σ = 1237721184. Its totient is φ = 1210584960.

The previous prime is 1224143197. The next prime is 1224143227. The reversal of 1224143201 is 1023414221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224143201 - 2² = 1224143197 is a prime.

It is a super-3 number, since 3×1224143201³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224143281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144386 + ... + 152628.

It is an arithmetic number, because the mean of its divisors is an integer number (154715148).

Almost surely, 2^1224143201 is an apocalyptic number.

It is an amenable number.

1224143201 is a deficient number, since it is larger than the sum of its proper divisors (13577983).

1224143201 is an equidigital number, since it uses as much as digits as its factorization.

1224143201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9871.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1224143201 is about 34987.7578732905. The cubic root of 1224143201 is about 1069.7379627356.

Adding to 1224143201 its reverse (1023414221), we get a palindrome (2247557422).

The spelling of 1224143201 in words is "one billion, two hundred twenty-four million, one hundred forty-three thousand, two hundred one".