1140244489 has 2 divisors, whose sum is σ = 1140244490. Its totient is φ = 1140244488.

The previous prime is 1140244423. The next prime is 1140244507. The reversal of 1140244489 is 9844420411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978751225 + 161493264 = 31285^2 + 12708^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140244489 - 2⁹ = 1140243977 is a prime.

It is a super-2 number, since 2×1140244489² = 2600314989389742242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1140244789) 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, 570122244 + 570122245.

It is an arithmetic number, because the mean of its divisors is an integer number (570122245).

Almost surely, 2^1140244489 is an apocalyptic number.

It is an amenable number.

1140244489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140244489 is an equidigital number, since it uses as much as digits as its factorization.

1140244489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1140244489 is about 33767.5064077879. The cubic root of 1140244489 is about 1044.7186010015.

The spelling of 1140244489 in words is "one billion, one hundred forty million, two hundred forty-four thousand, four hundred eighty-nine".