1244716741 has 4 divisors (see below), whose sum is σ = 1278357772. Its totient is φ = 1211075712.

The previous prime is 1244716717. The next prime is 1244716747. The reversal of 1244716741 is 1476174421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1476174421 = 97 ⋅15218293.

It can be written as a sum of positive squares in 2 ways, for example, as 1106560225 + 138156516 = 33265^2 + 11754^2 .

It is not a de Polignac number, because 1244716741 - 2⁹ = 1244716229 is a prime.

It is a super-2 number, since 2×1244716741² = 3098639530651322162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 33640993 = 1244716741 / (1 + 2 + 4 + 4 + 7 + 1 + 6 + 7 + 4 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244716741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244716747) 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, 16820460 + ... + 16820533.

It is an arithmetic number, because the mean of its divisors is an integer number (319589443).

Almost surely, 2^1244716741 is an apocalyptic number.

It is an amenable number.

1244716741 is a deficient number, since it is larger than the sum of its proper divisors (33641031).

1244716741 is an equidigital number, since it uses as much as digits as its factorization.

1244716741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33641030.

The product of its digits is 37632, while the sum is 37.

The square root of 1244716741 is about 35280.5433773348. The cubic root of 1244716741 is about 1075.6975436039.

The spelling of 1244716741 in words is "one billion, two hundred forty-four million, seven hundred sixteen thousand, seven hundred forty-one".