1205459 has 2 divisors, whose sum is σ = 1205460. Its totient is φ = 1205458.

The previous prime is 1205447. The next prime is 1205467. The reversal of 1205459 is 9545021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1205459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1205489) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602729 + 602730.

It is an arithmetic number, because the mean of its divisors is an integer number (602730).

2^1205459 is an apocalyptic number.

1205459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205459 is an equidigital number, since it uses as much as digits as its factorization.

1205459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1205459 is about 1097.9339688706. The cubic root of 1205459 is about 106.4267535472.

The spelling of 1205459 in words is "one million, two hundred five thousand, four hundred fifty-nine".