1244424201 has 4 divisors (see below), whose sum is σ = 1659232272. Its totient is φ = 829616132.

The previous prime is 1244424197. The next prime is 1244424221. The reversal of 1244424201 is 1024244421.

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: 1024244421 = 3 ⋅341414807.

It is a cyclic number.

It is not a de Polignac number, because 1244424201 - 2² = 1244424197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1244424221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207404031 + ... + 207404036.

It is an arithmetic number, because the mean of its divisors is an integer number (414808068).

Almost surely, 2^1244424201 is an apocalyptic number.

It is an amenable number.

1244424201 is a deficient number, since it is larger than the sum of its proper divisors (414808071).

1244424201 is an equidigital number, since it uses as much as digits as its factorization.

1244424201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414808070.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1244424201 is about 35276.3972225056. The cubic root of 1244424201 is about 1075.6132649336.

Adding to 1244424201 its reverse (1024244421), we get a palindrome (2268668622).

The spelling of 1244424201 in words is "one billion, two hundred forty-four million, four hundred twenty-four thousand, two hundred one".