1081024559 has 4 divisors (see below), whose sum is σ = 1081218600. Its totient is φ = 1080830520.

The previous prime is 1081024547. The next prime is 1081024579. The reversal of 1081024559 is 9554201801.

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

It is a cyclic number.

It is not a de Polignac number, because 1081024559 - 2⁸ = 1081024303 is a prime.

It is a super-2 number, since 2×1081024559² = 2337228194322288962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081024579) 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 3 ways as a sum of consecutive naturals, for example, 88409 + ... + 99890.

It is an arithmetic number, because the mean of its divisors is an integer number (270304650).

Almost surely, 2^1081024559 is an apocalyptic number.

1081024559 is a deficient number, since it is larger than the sum of its proper divisors (194041).

1081024559 is an equidigital number, since it uses as much as digits as its factorization.

1081024559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194040.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 1081024559 is about 32878.9379238442. The cubic root of 1081024559 is about 1026.3099045849.

The spelling of 1081024559 in words is "one billion, eighty-one million, twenty-four thousand, five hundred fifty-nine".