104241021 has 4 divisors (see below), whose sum is σ = 138988032. Its totient is φ = 69494012.

The previous prime is 104241017. The next prime is 104241041. The reversal of 104241021 is 120142401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120142401 = 3 ⋅40047467.

It is a cyclic number.

It is not a de Polignac number, because 104241021 - 2² = 104241017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104241041) 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, 17373501 + ... + 17373506.

It is an arithmetic number, because the mean of its divisors is an integer number (34747008).

Almost surely, 2^104241021 is an apocalyptic number.

It is an amenable number.

104241021 is a deficient number, since it is larger than the sum of its proper divisors (34747011).

104241021 is an equidigital number, since it uses as much as digits as its factorization.

104241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34747010.

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

The square root of 104241021 is about 10209.8492153410. The cubic root of 104241021 is about 470.6299399844.

Adding to 104241021 its reverse (120142401), we get a palindrome (224383422).

The spelling of 104241021 in words is "one hundred four million, two hundred forty-one thousand, twenty-one".