1244230443 has 16 divisors (see below), whose sum is σ = 1844636160. Its totient is φ = 828887688.

The previous prime is 1244230423. The next prime is 1244230513. The reversal of 1244230443 is 3440324421.

It is a happy number.

It is not a de Polignac number, because 1244230443 - 2²⁰ = 1243181867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1244230423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23146 + ... + 54992.

It is an arithmetic number, because the mean of its divisors is an integer number (115289760).

Almost surely, 2^1244230443 is an apocalyptic number.

1244230443 is a deficient number, since it is larger than the sum of its proper divisors (600405717).

1244230443 is a wasteful number, since it uses less digits than its factorization.

1244230443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33303 (or 33297 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1244230443 is about 35273.6508317469. The cubic root of 1244230443 is about 1075.5574373757.

Adding to 1244230443 its reverse (3440324421), we get a palindrome (4684554864).

The spelling of 1244230443 in words is "one billion, two hundred forty-four million, two hundred thirty thousand, four hundred forty-three".