104430421 has 16 divisors (see below), whose sum is σ = 111335040. Its totient is φ = 97796160.

The previous prime is 104430407. The next prime is 104430427. The reversal of 104430421 is 124034401.

It is a cyclic number.

It is not a de Polignac number, because 104430421 - 2¹⁹ = 103906133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104430427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137575 + ... + 138331.

It is an arithmetic number, because the mean of its divisors is an integer number (6958440).

Almost surely, 2^104430421 is an apocalyptic number.

It is an amenable number.

104430421 is a deficient number, since it is larger than the sum of its proper divisors (6904619).

104430421 is an equidigital number, since it uses as much as digits as its factorization.

104430421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 104430421 is about 10219.1203633189. The cubic root of 104430421 is about 470.9148034620.

Adding to 104430421 its reverse (124034401), we get a palindrome (228464822).

The spelling of 104430421 in words is "one hundred four million, four hundred thirty thousand, four hundred twenty-one".