1244441113 has 8 divisors (see below), whose sum is σ = 1297410048. Its totient is φ = 1192564464.

The previous prime is 1244441083. The next prime is 1244441131. The reversal of 1244441113 is 3111444421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1244441113 - 2¹³ = 1244432921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244441173) 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 7 ways as a sum of consecutive naturals, for example, 270745 + ... + 275302.

It is an arithmetic number, because the mean of its divisors is an integer number (162176256).

Almost surely, 2^1244441113 is an apocalyptic number.

It is an amenable number.

1244441113 is a deficient number, since it is larger than the sum of its proper divisors (52968935).

1244441113 is an equidigital number, since it uses as much as digits as its factorization.

1244441113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546143.

The product of its digits is 1536, while the sum is 25.

The square root of 1244441113 is about 35276.6369287096. The cubic root of 1244441113 is about 1075.6181375189.

Adding to 1244441113 its reverse (3111444421), we get a palindrome (4355885534).

The spelling of 1244441113 in words is "one billion, two hundred forty-four million, four hundred forty-one thousand, one hundred thirteen".