1089259 has 2 divisors, whose sum is σ = 1089260. Its totient is φ = 1089258.

The previous prime is 1089239. The next prime is 1089299. The reversal of 1089259 is 9529801.

It is a weak prime.

It is an emirp because it is prime and its reverse (9529801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1089259 - 2⁵ = 1089227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1089239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544629 + 544630.

It is an arithmetic number, because the mean of its divisors is an integer number (544630).

2^1089259 is an apocalyptic number.

1089259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089259 is an equidigital number, since it uses as much as digits as its factorization.

1089259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1089259 is about 1043.6757159195. The cubic root of 1089259 is about 102.8909204357.

The spelling of 1089259 in words is "one million, eighty-nine thousand, two hundred fifty-nine".