1171489339 has 2 divisors, whose sum is σ = 1171489340. Its totient is φ = 1171489338.

The previous prime is 1171489247. The next prime is 1171489391. The reversal of 1171489339 is 9339841711.

It is a strong prime.

It is an emirp because it is prime and its reverse (9339841711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1171489339 - 2⁷ = 1171489211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1171489399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585744669 + 585744670.

It is an arithmetic number, because the mean of its divisors is an integer number (585744670).

Almost surely, 2^1171489339 is an apocalyptic number.

1171489339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171489339 is an equidigital number, since it uses as much as digits as its factorization.

1171489339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 1171489339 is about 34227.0264411035. The cubic root of 1171489339 is about 1054.1751641518.

The spelling of 1171489339 in words is "one billion, one hundred seventy-one million, four hundred eighty-nine thousand, three hundred thirty-nine".