1081024563 has 4 divisors (see below), whose sum is σ = 1441366088. Its totient is φ = 720683040.

The previous prime is 1081024547. The next prime is 1081024579. The reversal of 1081024563 is 3654201801.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1081024547) and next prime (1081024579).

It is not a de Polignac number, because 1081024563 - 2⁴ = 1081024547 is a prime.

It is a super-2 number, since 2×1081024563² = 2337228211618681938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081024563.

It is not an unprimeable number, because it can be changed into a prime (1081024583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180170758 + ... + 180170763.

It is an arithmetic number, because the mean of its divisors is an integer number (360341522).

Almost surely, 2^1081024563 is an apocalyptic number.

1081024563 is a deficient number, since it is larger than the sum of its proper divisors (360341525).

1081024563 is an equidigital number, since it uses as much as digits as its factorization.

1081024563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360341524.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1081024563 is about 32878.9379846734. The cubic root of 1081024563 is about 1026.3099058508.

The spelling of 1081024563 in words is "one billion, eighty-one million, twenty-four thousand, five hundred sixty-three".