1080861329 has 4 divisors (see below), whose sum is σ = 1096084800. Its totient is φ = 1065637860.

The previous prime is 1080861323. The next prime is 1080861361. The reversal of 1080861329 is 9231680801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1080861329 is a prime.

It is a super-2 number, since 2×1080861329² = 2336522425055292482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1080861292 and 1080861301.

It is not an unprimeable number, because it can be changed into a prime (1080861323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7611629 + ... + 7611770.

It is an arithmetic number, because the mean of its divisors is an integer number (274021200).

Almost surely, 2^1080861329 is an apocalyptic number.

It is an amenable number.

1080861329 is a deficient number, since it is larger than the sum of its proper divisors (15223471).

1080861329 is an equidigital number, since it uses as much as digits as its factorization.

1080861329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15223470.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1080861329 is about 32876.4555419224. The cubic root of 1080861329 is about 1026.2582458763.

The spelling of 1080861329 in words is "one billion, eighty million, eight hundred sixty-one thousand, three hundred twenty-nine".