1144091087 has 2 divisors, whose sum is σ = 1144091088. Its totient is φ = 1144091086.

The previous prime is 1144091029. The next prime is 1144091107. The reversal of 1144091087 is 7801904411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144091087 - 2¹⁶ = 1144025551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144091287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572045543 + 572045544.

It is an arithmetic number, because the mean of its divisors is an integer number (572045544).

Almost surely, 2^1144091087 is an apocalyptic number.

1144091087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144091087 is an equidigital number, since it uses as much as digits as its factorization.

1144091087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1144091087 is about 33824.4155455789. The cubic root of 1144091087 is about 1045.8920633774.

Adding to 1144091087 its reverse (7801904411), we get a palindrome (8945995498).

The spelling of 1144091087 in words is "one billion, one hundred forty-four million, ninety-one thousand, eighty-seven".