1144021441 has 2 divisors, whose sum is σ = 1144021442. Its totient is φ = 1144021440.

The previous prime is 1144021433. The next prime is 1144021469. The reversal of 1144021441 is 1441204411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1142710416 + 1311025 = 33804^2 + 1145^2 .

It is an emirp because it is prime and its reverse (1441204411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144021441 - 2³ = 1144021433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144021421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572010720 + 572010721.

It is an arithmetic number, because the mean of its divisors is an integer number (572010721).

Almost surely, 2^1144021441 is an apocalyptic number.

It is an amenable number.

1144021441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144021441 is an equidigital number, since it uses as much as digits as its factorization.

1144021441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1144021441 is about 33823.3860073175. The cubic root of 1144021441 is about 1045.8708402196.

Adding to 1144021441 its reverse (1441204411), we get a palindrome (2585225852).

The spelling of 1144021441 in words is "one billion, one hundred forty-four million, twenty-one thousand, four hundred forty-one".