1244442041 has 4 divisors (see below), whose sum is σ = 1317644532. Its totient is φ = 1171239552.

The previous prime is 1244442037. The next prime is 1244442079. The reversal of 1244442041 is 1402444421.

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 482461225 + 761980816 = 21965^2 + 27604^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244442041 - 2² = 1244442037 is a prime.

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 1244442041.

It is not an unprimeable number, because it can be changed into a prime (1244442091) 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, 36601220 + ... + 36601253.

It is an arithmetic number, because the mean of its divisors is an integer number (329411133).

Almost surely, 2^1244442041 is an apocalyptic number.

It is an amenable number.

1244442041 is a deficient number, since it is larger than the sum of its proper divisors (73202491).

1244442041 is an equidigital number, since it uses as much as digits as its factorization.

1244442041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73202490.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1244442041 is about 35276.6500818884. The cubic root of 1244442041 is about 1075.6184048874.

Adding to 1244442041 its reverse (1402444421), we get a palindrome (2646886462).

The spelling of 1244442041 in words is "one billion, two hundred forty-four million, four hundred forty-two thousand, forty-one".