104121445 has 8 divisors (see below), whose sum is σ = 125097336. Its totient is φ = 83196096.

The previous prime is 104121443. The next prime is 104121469. The reversal of 104121445 is 544121401.

It can be written as a sum of positive squares in 4 ways, for example, as 1240996 + 102880449 = 1114^2 + 10143^2 .

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 104121445 - 2¹ = 104121443 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 (104121443) 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, 7942 + ... + 16471.

It is an arithmetic number, because the mean of its divisors is an integer number (15637167).

Almost surely, 2^104121445 is an apocalyptic number.

It is an amenable number.

104121445 is a deficient number, since it is larger than the sum of its proper divisors (20975891).

104121445 is an equidigital number, since it uses as much as digits as its factorization.

104121445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25271.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 104121445 is about 10203.9916209295. The cubic root of 104121445 is about 470.4499162369.

Adding to 104121445 its reverse (544121401), we get a palindrome (648242846).

The spelling of 104121445 in words is "one hundred four million, one hundred twenty-one thousand, four hundred forty-five".