1238459 has 2 divisors, whose sum is σ = 1238460. Its totient is φ = 1238458.

The previous prime is 1238449. The next prime is 1238491. The reversal of 1238459 is 9548321.

It is an a-pointer prime, because the next prime (1238491) can be obtained adding 1238459 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1238459 is a prime.

It is a Chen prime.

It is a nialpdrome in base 11.

It is not a weakly prime, because it can be changed into another prime (1238429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619229 + 619230.

It is an arithmetic number, because the mean of its divisors is an integer number (619230).

2^1238459 is an apocalyptic number.

1238459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1238459 is an equidigital number, since it uses as much as digits as its factorization.

1238459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 1238459 is about 1112.8607280338. The cubic root of 1238459 is about 107.3891845261.

The spelling of 1238459 in words is "one million, two hundred thirty-eight thousand, four hundred fifty-nine".