1080039817 has 4 divisors (see below), whose sum is σ = 1080342036. Its totient is φ = 1079737600.

The previous prime is 1080039809. The next prime is 1080039833. The reversal of 1080039817 is 7189300801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 278923401 + 801116416 = 16701^2 + 28304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080039817 - 2³ = 1080039809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080039847) 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, 145684 + ... + 152917.

It is an arithmetic number, because the mean of its divisors is an integer number (270085509).

Almost surely, 2^1080039817 is an apocalyptic number.

It is an amenable number.

1080039817 is a deficient number, since it is larger than the sum of its proper divisors (302219).

1080039817 is an equidigital number, since it uses as much as digits as its factorization.

1080039817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302218.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 1080039817 is about 32863.9592410896. The cubic root of 1080039817 is about 1025.9981763904.

The spelling of 1080039817 in words is "one billion, eighty million, thirty-nine thousand, eight hundred seventeen".