1244450073101 has 4 divisors (see below), whose sum is σ = 1244459187804. Its totient is φ = 1244440958400.

The previous prime is 1244450073089. The next prime is 1244450073103. The reversal of 1244450073101 is 1013700544421.

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 627438252100 + 617011821001 = 792110^2 + 785501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244450073101 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 (1244450073103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4349390 + ... + 4626671.

It is an arithmetic number, because the mean of its divisors is an integer number (311114796951).

Almost surely, 2^{1244450073101} is an apocalyptic number.

It is an amenable number.

1244450073101 is a deficient number, since it is larger than the sum of its proper divisors (9114703).

1244450073101 is an equidigital number, since it uses as much as digits as its factorization.

1244450073101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114702.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 1244450073101 in words is "one trillion, two hundred forty-four billion, four hundred fifty million, seventy-three thousand, one hundred one".