104332421 has 2 divisors, whose sum is σ = 104332422. Its totient is φ = 104332420.

The previous prime is 104332373. The next prime is 104332429. The reversal of 104332421 is 124233401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101404900 + 2927521 = 10070^2 + 1711^2 .

It is an emirp because it is prime and its reverse (124233401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104332421 - 2⁶ = 104332357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104332393 and 104332402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104332429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52166210 + 52166211.

It is an arithmetic number, because the mean of its divisors is an integer number (52166211).

Almost surely, 2^104332421 is an apocalyptic number.

It is an amenable number.

104332421 is a deficient number, since it is larger than the sum of its proper divisors (1).

104332421 is an equidigital number, since it uses as much as digits as its factorization.

104332421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 104332421 is about 10214.3243046224. The cubic root of 104332421 is about 470.7674514618.

Adding to 104332421 its reverse (124233401), we get a palindrome (228565822).

The spelling of 104332421 in words is "one hundred four million, three hundred thirty-two thousand, four hundred twenty-one".