1244034243245 has 4 divisors (see below), whose sum is σ = 1492841091900. Its totient is φ = 995227394592.

The previous prime is 1244034243229. The next prime is 1244034243269. The reversal of 1244034243245 is 5423424304421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 436153255561 + 807880987684 = 660419^2 + 898822^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244034243245 - 2⁴ = 1244034243229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244034243199 and 1244034243208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124403424320 + ... + 124403424329.

It is an arithmetic number, because the mean of its divisors is an integer number (373210272975).

Almost surely, 2^{1244034243245} is an apocalyptic number.

It is an amenable number.

1244034243245 is a deficient number, since it is larger than the sum of its proper divisors (248806848655).

1244034243245 is an equidigital number, since it uses as much as digits as its factorization.

1244034243245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248806848654.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 1244034243245 its reverse (5423424304421), we get a palindrome (6667458547666).

The spelling of 1244034243245 in words is "one trillion, two hundred forty-four billion, thirty-four million, two hundred forty-three thousand, two hundred forty-five".