104601621 has 4 divisors (see below), whose sum is σ = 139468832. Its totient is φ = 69734412.

The previous prime is 104601617. The next prime is 104601643. The reversal of 104601621 is 126106401.

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 not a de Polignac number, because 104601621 - 2² = 104601617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104601121) 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, 17433601 + ... + 17433606.

It is an arithmetic number, because the mean of its divisors is an integer number (34867208).

Almost surely, 2^104601621 is an apocalyptic number.

It is an amenable number.

104601621 is a deficient number, since it is larger than the sum of its proper divisors (34867211).

104601621 is an equidigital number, since it uses as much as digits as its factorization.

104601621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34867210.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 104601621 is about 10227.4933879226. The cubic root of 104601621 is about 471.1719973525.

The spelling of 104601621 in words is "one hundred four million, six hundred one thousand, six hundred twenty-one".