1026113563 has 16 divisors (see below), whose sum is σ = 1119215520. Its totient is φ = 937391616.

The previous prime is 1026113531. The next prime is 1026113597. The reversal of 1026113563 is 3653116201.

It is a cyclic number.

It is not a de Polignac number, because 1026113563 - 2⁵ = 1026113531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1026113063) 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 in 15 ways as a sum of consecutive naturals, for example, 72981 + ... + 85897.

It is an arithmetic number, because the mean of its divisors is an integer number (69950970).

Almost surely, 2^1026113563 is an apocalyptic number.

1026113563 is a deficient number, since it is larger than the sum of its proper divisors (93101957).

1026113563 is a wasteful number, since it uses less digits than its factorization.

1026113563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13086.

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

The square root of 1026113563 is about 32033.0073986193. The cubic root of 1026113563 is about 1008.6298327539.

Adding to 1026113563 its reverse (3653116201), we get a palindrome (4679229764).

The spelling of 1026113563 in words is "one billion, twenty-six million, one hundred thirteen thousand, five hundred sixty-three".