1012563163 has 8 divisors (see below), whose sum is σ = 1087227360. Its totient is φ = 939576960.

The previous prime is 1012563157. The next prime is 1012563173. The reversal of 1012563163 is 3613652101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012563163 - 2⁵ = 1012563131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012563173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418248 + ... + 420661.

It is an arithmetic number, because the mean of its divisors is an integer number (135903420).

Almost surely, 2^1012563163 is an apocalyptic number.

1012563163 is a deficient number, since it is larger than the sum of its proper divisors (74664197).

1012563163 is an equidigital number, since it uses as much as digits as its factorization.

1012563163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838997.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1012563163 is about 31820.7976487077. The cubic root of 1012563163 is about 1004.1703053772.

The spelling of 1012563163 in words is "one billion, twelve million, five hundred sixty-three thousand, one hundred sixty-three".