1091359 has 2 divisors, whose sum is σ = 1091360. Its totient is φ = 1091358.

The previous prime is 1091339. The next prime is 1091369. The reversal of 1091359 is 9531901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1091359 - 2¹³ = 1083167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1091329) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545679 + 545680.

It is an arithmetic number, because the mean of its divisors is an integer number (545680).

2^1091359 is an apocalyptic number.

1091359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1091359 is an equidigital number, since it uses as much as digits as its factorization.

1091359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 1091359 is about 1044.6812911123. The cubic root of 1091359 is about 102.9569996773.

The spelling of 1091359 in words is "one million, ninety-one thousand, three hundred fifty-nine".