1020459263 has 2 divisors, whose sum is σ = 1020459264. Its totient is φ = 1020459262.

The previous prime is 1020459241. The next prime is 1020459287. The reversal of 1020459263 is 3629540201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020459263 - 2¹² = 1020455167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020459203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510229631 + 510229632.

It is an arithmetic number, because the mean of its divisors is an integer number (510229632).

Almost surely, 2^1020459263 is an apocalyptic number.

1020459263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020459263 is an equidigital number, since it uses as much as digits as its factorization.

1020459263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1020459263 is about 31944.6280773466. The cubic root of 1020459263 is about 1006.7737668142.

Adding to 1020459263 its reverse (3629540201), we get a palindrome (4649999464).

The spelling of 1020459263 in words is "one billion, twenty million, four hundred fifty-nine thousand, two hundred sixty-three".