1159787 has 2 divisors, whose sum is σ = 1159788. Its totient is φ = 1159786.

The previous prime is 1159777. The next prime is 1159789. The reversal of 1159787 is 7879511.

It is a strong prime.

It is an emirp because it is prime and its reverse (7879511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1159787 - 2⁸ = 1159531 is a prime.

Together with 1159789, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1159787.

It is not a weakly prime, because it can be changed into another prime (1159789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579893 + 579894.

It is an arithmetic number, because the mean of its divisors is an integer number (579894).

2^1159787 is an apocalyptic number.

1159787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159787 is an equidigital number, since it uses as much as digits as its factorization.

1159787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 38.

The square root of 1159787 is about 1076.9340741197. The cubic root of 1159787 is about 105.0653259400.

The spelling of 1159787 in words is "one million, one hundred fifty-nine thousand, seven hundred eighty-seven".