1141330549 has 2 divisors, whose sum is σ = 1141330550. Its totient is φ = 1141330548.

The previous prime is 1141330507. The next prime is 1141330559. The reversal of 1141330549 is 9450331411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1103900625 + 37429924 = 33225^2 + 6118^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141330549 - 2²¹ = 1139233397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1141330549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141330559) 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 as a sum of consecutive naturals, namely, 570665274 + 570665275.

It is an arithmetic number, because the mean of its divisors is an integer number (570665275).

Almost surely, 2^1141330549 is an apocalyptic number.

It is an amenable number.

1141330549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141330549 is an equidigital number, since it uses as much as digits as its factorization.

1141330549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1141330549 is about 33783.5840165013. The cubic root of 1141330549 is about 1045.0501869169.

The spelling of 1141330549 in words is "one billion, one hundred forty-one million, three hundred thirty thousand, five hundred forty-nine".