104331021 has 8 divisors (see below), whose sum is σ = 141067584. Its totient is φ = 68574240.

The previous prime is 104331011. The next prime is 104331041. The reversal of 104331021 is 120133401.

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

It is not a de Polignac number, because 104331021 - 2⁹ = 104330509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104331001) 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 7 ways as a sum of consecutive naturals, for example, 244696 + ... + 245121.

It is an arithmetic number, because the mean of its divisors is an integer number (17633448).

Almost surely, 2^104331021 is an apocalyptic number.

It is an amenable number.

104331021 is a deficient number, since it is larger than the sum of its proper divisors (36736563).

104331021 is an equidigital number, since it uses as much as digits as its factorization.

104331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489891.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 104331021 is about 10214.2557731829. The cubic root of 104331021 is about 470.7653457648.

Adding to 104331021 its reverse (120133401), we get a palindrome (224464422).

The spelling of 104331021 in words is "one hundred four million, three hundred thirty-one thousand, twenty-one".