104102421 has 8 divisors (see below), whose sum is σ = 139426560. Its totient is φ = 69089952.

The previous prime is 104102419. The next prime is 104102477. The reversal of 104102421 is 124201401.

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

It is not a de Polignac number, because 104102421 - 2¹ = 104102419 is a prime.

It is a super-2 number, since 2×104102421² = 21674628116122482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104102421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104102221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77136 + ... + 78473.

It is an arithmetic number, because the mean of its divisors is an integer number (17428320).

Almost surely, 2^104102421 is an apocalyptic number.

It is an amenable number.

104102421 is a deficient number, since it is larger than the sum of its proper divisors (35324139).

104102421 is a wasteful number, since it uses less digits than its factorization.

104102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155835.

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

The square root of 104102421 is about 10203.0593941229. The cubic root of 104102421 is about 470.4212625677.

Adding to 104102421 its reverse (124201401), we get a palindrome (228303822).

The spelling of 104102421 in words is "one hundred four million, one hundred two thousand, four hundred twenty-one".