104555321 has 8 divisors (see below), whose sum is σ = 119221704. Its totient is φ = 90835200.

The previous prime is 104555299. The next prime is 104555329. The reversal of 104555321 is 123555401.

It can be written as a sum of positive squares in 4 ways, for example, as 9765625 + 94789696 = 3125^2 + 9736^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104555321 - 2²² = 100361017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104555329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236330 + ... + 236771.

It is an arithmetic number, because the mean of its divisors is an integer number (14902713).

Almost surely, 2^104555321 is an apocalyptic number.

It is an amenable number.

104555321 is a deficient number, since it is larger than the sum of its proper divisors (14666383).

104555321 is a wasteful number, since it uses less digits than its factorization.

104555321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473131.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 104555321 is about 10225.2296306733. The cubic root of 104555321 is about 471.1024685288.

The spelling of 104555321 in words is "one hundred four million, five hundred fifty-five thousand, three hundred twenty-one".