108765321 has 32 divisors (see below), whose sum is σ = 175577088. Its totient is φ = 58544640.

The previous prime is 108765317. The next prime is 108765359. The reversal of 108765321 is 123567801.

It is not a de Polignac number, because 108765321 - 2² = 108765317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108765121) 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 31 ways as a sum of consecutive naturals, for example, 30681 + ... + 34041.

It is an arithmetic number, because the mean of its divisors is an integer number (5486784).

Almost surely, 2^108765321 is an apocalyptic number.

It is an amenable number.

108765321 is a deficient number, since it is larger than the sum of its proper divisors (66811767).

108765321 is a wasteful number, since it uses less digits than its factorization.

108765321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 108765321 is about 10429.0613671605. The cubic root of 108765321 is about 477.3425498079.

The spelling of 108765321 in words is "one hundred eight million, seven hundred sixty-five thousand, three hundred twenty-one".