1244043441 has 15 divisors (see below), whose sum is σ = 1858860201. Its totient is φ = 829150668.

The previous prime is 1244043431. The next prime is 1244043473. The reversal of 1244043441 is 1443404421.

The square root of 1244043441 is 35271.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1244043441 - 2¹³ = 1244035249 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 (1244043431) 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 14 ways as a sum of consecutive naturals, for example, 315480 + ... + 319398.

Almost surely, 2^1244043441 is an apocalyptic number.

1244043441 is the 35271-st square number.

1244043441 is the 17636-th centered octagonal number.

It is an amenable number.

1244043441 is a deficient number, since it is larger than the sum of its proper divisors (614816760).

1244043441 is an frugal number, since it uses more digits than its factorization.

1244043441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850 (or 3922 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The cubic root of 1244043441 is about 1075.5035509298.

Adding to 1244043441 its reverse (1443404421), we get a palindrome (2687447862).

The spelling of 1244043441 in words is "one billion, two hundred forty-four million, forty-three thousand, four hundred forty-one".