104410021 has 2 divisors, whose sum is σ = 104410022. Its totient is φ = 104410020.

The previous prime is 104410003. The next prime is 104410027. The reversal of 104410021 is 120014401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102292996 + 2117025 = 10114^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 104410021 - 2⁹ = 104409509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104409983 and 104410010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104410027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52205010 + 52205011.

It is an arithmetic number, because the mean of its divisors is an integer number (52205011).

Almost surely, 2^104410021 is an apocalyptic number.

It is an amenable number.

104410021 is a deficient number, since it is larger than the sum of its proper divisors (1).

104410021 is an equidigital number, since it uses as much as digits as its factorization.

104410021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 104410021 is about 10218.1221856073. The cubic root of 104410021 is about 470.8841377884.

Adding to 104410021 its reverse (120014401), we get a palindrome (224424422).

The spelling of 104410021 in words is "one hundred four million, four hundred ten thousand, twenty-one".