1159139 has 2 divisors, whose sum is σ = 1159140. Its totient is φ = 1159138.

The previous prime is 1159127. The next prime is 1159153. The reversal of 1159139 is 9319511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1159139 - 2²⁰ = 110563 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1159189) 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, 579569 + 579570.

It is an arithmetic number, because the mean of its divisors is an integer number (579570).

2^1159139 is an apocalyptic number.

1159139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159139 is an equidigital number, since it uses as much as digits as its factorization.

1159139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1215, while the sum is 29.

The square root of 1159139 is about 1076.6331780138. The cubic root of 1159139 is about 105.0457548133.

The spelling of 1159139 in words is "one million, one hundred fifty-nine thousand, one hundred thirty-nine".