1244331841 has 2 divisors, whose sum is σ = 1244331842. Its totient is φ = 1244331840.

The previous prime is 1244331833. The next prime is 1244331853. The reversal of 1244331841 is 1481334421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 912946225 + 331385616 = 30215^2 + 18204^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244331841 - 2³ = 1244331833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1244331821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622165920 + 622165921.

It is an arithmetic number, because the mean of its divisors is an integer number (622165921).

Almost surely, 2^1244331841 is an apocalyptic number.

It is an amenable number.

1244331841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244331841 is an equidigital number, since it uses as much as digits as its factorization.

1244331841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 31.

The square root of 1244331841 is about 35275.0881076150. The cubic root of 1244331841 is about 1075.5866539385.

The spelling of 1244331841 in words is "one billion, two hundred forty-four million, three hundred thirty-one thousand, eight hundred forty-one".