104452021 has 4 divisors (see below), whose sum is σ = 104728000. Its totient is φ = 104176044.

The previous prime is 104452013. The next prime is 104452027. The reversal of 104452021 is 120254401.

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 a cyclic number.

It is not a de Polignac number, because 104452021 - 2³ = 104452013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104452021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104452027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137421 + ... + 138178.

It is an arithmetic number, because the mean of its divisors is an integer number (26182000).

Almost surely, 2^104452021 is an apocalyptic number.

It is an amenable number.

104452021 is a deficient number, since it is larger than the sum of its proper divisors (275979).

104452021 is an equidigital number, since it uses as much as digits as its factorization.

104452021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275978.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 104452021 is about 10220.1771511065. The cubic root of 104452021 is about 470.9472686461.

The spelling of 104452021 in words is "one hundred four million, four hundred fifty-two thousand, twenty-one".