1244401343 has 12 divisors (see below), whose sum is σ = 1327750440. Its totient is φ = 1166024832.

The previous prime is 1244401303. The next prime is 1244401351. The reversal of 1244401343 is 3431044421.

It is not a de Polignac number, because 1244401343 - 2¹⁰ = 1244400319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244401303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56780 + ... + 75582.

It is an arithmetic number, because the mean of its divisors is an integer number (110645870).

Almost surely, 2^1244401343 is an apocalyptic number.

1244401343 is a deficient number, since it is larger than the sum of its proper divisors (83349097).

1244401343 is a wasteful number, since it uses less digits than its factorization.

1244401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19066 (or 19049 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1244401343 is about 35276.0732366855. The cubic root of 1244401343 is about 1075.6066791518.

Adding to 1244401343 its reverse (3431044421), we get a palindrome (4675445764).

The spelling of 1244401343 in words is "one billion, two hundred forty-four million, four hundred one thousand, three hundred forty-three".