1244800241 has 4 divisors (see below), whose sum is σ = 1268287092. Its totient is φ = 1221313392.

The previous prime is 1244800237. The next prime is 1244800243. The reversal of 1244800241 is 1420084421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 639837025 + 604963216 = 25295^2 + 24596^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244800241 - 2² = 1244800237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244800241.

It is not an unprimeable number, because it can be changed into a prime (1244800243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11743346 + ... + 11743451.

It is an arithmetic number, because the mean of its divisors is an integer number (317071773).

Almost surely, 2^1244800241 is an apocalyptic number.

It is an amenable number.

1244800241 is a deficient number, since it is larger than the sum of its proper divisors (23486851).

1244800241 is an equidigital number, since it uses as much as digits as its factorization.

1244800241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23486850.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 1244800241 is about 35281.7267292858. The cubic root of 1244800241 is about 1075.7215969309.

Adding to 1244800241 its reverse (1420084421), we get a palindrome (2664884662).

The spelling of 1244800241 in words is "one billion, two hundred forty-four million, eight hundred thousand, two hundred forty-one".