1258559 has 2 divisors, whose sum is σ = 1258560. Its totient is φ = 1258558.

The previous prime is 1258531. The next prime is 1258589. The reversal of 1258559 is 9558521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1258559 - 2⁸ = 1258303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1258589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629279 + 629280.

It is an arithmetic number, because the mean of its divisors is an integer number (629280).

2^1258559 is an apocalyptic number.

1258559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258559 is an equidigital number, since it uses as much as digits as its factorization.

1258559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 35.

The square root of 1258559 is about 1121.8551599917. The cubic root of 1258559 is about 107.9670395532.

The spelling of 1258559 in words is "one million, two hundred fifty-eight thousand, five hundred fifty-nine".