1244349617 has 8 divisors (see below), whose sum is σ = 1424296896. Its totient is φ = 1064948112.

The previous prime is 1244349607. The next prime is 1244349643. The reversal of 1244349617 is 7169434421.

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 1244349617 - 2¹⁶ = 1244284081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244349607) 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, 131543 + ... + 140684.

It is an arithmetic number, because the mean of its divisors is an integer number (178037112).

Almost surely, 2^1244349617 is an apocalyptic number.

It is an amenable number.

1244349617 is a deficient number, since it is larger than the sum of its proper divisors (179947279).

1244349617 is an equidigital number, since it uses as much as digits as its factorization.

1244349617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272887.

The product of its digits is 145152, while the sum is 41.

The square root of 1244349617 is about 35275.3400692325. The cubic root of 1244349617 is about 1075.5917757065.

The spelling of 1244349617 in words is "one billion, two hundred forty-four million, three hundred forty-nine thousand, six hundred seventeen".