1244440200103 has 4 divisors (see below), whose sum is σ = 1309937052760. Its totient is φ = 1178943347448.

The previous prime is 1244440200097. The next prime is 1244440200169. The reversal of 1244440200103 is 3010020444421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1244440200103 - 2⁵ = 1244440200071 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 (1244440210103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32748426300 + ... + 32748426337.

It is an arithmetic number, because the mean of its divisors is an integer number (327484263190).

Almost surely, 2^{1244440200103} is an apocalyptic number.

1244440200103 is a deficient number, since it is larger than the sum of its proper divisors (65496852657).

1244440200103 is an equidigital number, since it uses as much as digits as its factorization.

1244440200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65496852656.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1244440200103 its reverse (3010020444421), we get a palindrome (4254460644524).

The spelling of 1244440200103 in words is "one trillion, two hundred forty-four billion, four hundred forty million, two hundred thousand, one hundred three".