1244412443 has 16 divisors (see below), whose sum is σ = 1294465536. Its totient is φ = 1195402560.

The previous prime is 1244412439. The next prime is 1244412457. The reversal of 1244412443 is 3442144421.

It is not a de Polignac number, because 1244412443 - 2² = 1244412439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244412413) 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, 1711346 + ... + 1712072.

It is an arithmetic number, because the mean of its divisors is an integer number (80904096).

Almost surely, 2^1244412443 is an apocalyptic number.

1244412443 is a deficient number, since it is larger than the sum of its proper divisors (50053093).

1244412443 is an equidigital number, since it uses as much as digits as its factorization.

1244412443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354.

The product of its digits is 12288, while the sum is 29.

The square root of 1244412443 is about 35276.2305667712. The cubic root of 1244412443 is about 1075.6098772622.

Adding to 1244412443 its reverse (3442144421), we get a palindrome (4686556864).

The spelling of 1244412443 in words is "one billion, two hundred forty-four million, four hundred twelve thousand, four hundred forty-three".