1012259 has 2 divisors, whose sum is σ = 1012260. Its totient is φ = 1012258.

The previous prime is 1012241. The next prime is 1012261. The reversal of 1012259 is 9522101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012259 is a prime.

Together with 1012261, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012259.

It is not a weakly prime, because it can be changed into another prime (1012229) 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, 506129 + 506130.

It is an arithmetic number, because the mean of its divisors is an integer number (506130).

2^1012259 is an apocalyptic number.

1012259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012259 is an equidigital number, since it uses as much as digits as its factorization.

1012259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1012259 is about 1006.1108288852. The cubic root of 1012259 is about 100.4069748016.

The spelling of 1012259 in words is "one million, twelve thousand, two hundred fifty-nine".