104421021 has 8 divisors (see below), whose sum is σ = 147417984. Its totient is φ = 65519040.

The previous prime is 104421013. The next prime is 104421043. The reversal of 104421021 is 120124401.

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

It is not a de Polignac number, because 104421021 - 2³ = 104421013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104421011) 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, 1023685 + ... + 1023786.

It is an arithmetic number, because the mean of its divisors is an integer number (18427248).

Almost surely, 2^104421021 is an apocalyptic number.

It is an amenable number.

104421021 is a deficient number, since it is larger than the sum of its proper divisors (42996963).

104421021 is a wasteful number, since it uses less digits than its factorization.

104421021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047491.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 104421021 is about 10218.6604308001. The cubic root of 104421021 is about 470.9006736968.

Adding to 104421021 its reverse (120124401), we get a palindrome (224545422).

The spelling of 104421021 in words is "one hundred four million, four hundred twenty-one thousand, twenty-one".