104900321 has 4 divisors (see below), whose sum is σ = 105604500. Its totient is φ = 104196144.

The previous prime is 104900293. The next prime is 104900329. The reversal of 104900321 is 123009401.

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 55338721 + 49561600 = 7439^2 + 7040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104900321 is a prime.

It is a super-2 number, since 2×104900321² = 22008154691806082, 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 = 104900293 and 104900302.

It is not an unprimeable number, because it can be changed into a prime (104900329) 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, 351866 + ... + 352163.

It is an arithmetic number, because the mean of its divisors is an integer number (26401125).

Almost surely, 2^104900321 is an apocalyptic number.

It is an amenable number.

104900321 is a deficient number, since it is larger than the sum of its proper divisors (704179).

104900321 is an equidigital number, since it uses as much as digits as its factorization.

104900321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704178.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 104900321 is about 10242.0857739037. The cubic root of 104900321 is about 471.6200634587.

Adding to 104900321 its reverse (123009401), we get a palindrome (227909722).

The spelling of 104900321 in words is "one hundred four million, nine hundred thousand, three hundred twenty-one".