104033921 has 2 divisors, whose sum is σ = 104033922. Its totient is φ = 104033920.

The previous prime is 104033903. The next prime is 104033947. The reversal of 104033921 is 129330401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78074896 + 25959025 = 8836^2 + 5095^2 .

It is a cyclic number.

It is not a de Polignac number, because 104033921 - 2¹⁸ = 103771777 is a prime.

It is not a weakly prime, because it can be changed into another prime (104033971) 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 as a sum of consecutive naturals, namely, 52016960 + 52016961.

It is an arithmetic number, because the mean of its divisors is an integer number (52016961).

Almost surely, 2^104033921 is an apocalyptic number.

It is an amenable number.

104033921 is a deficient number, since it is larger than the sum of its proper divisors (1).

104033921 is an equidigital number, since it uses as much as digits as its factorization.

104033921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 104033921 is about 10199.7020054509. The cubic root of 104033921 is about 470.3180599505.

The spelling of 104033921 in words is "one hundred four million, thirty-three thousand, nine hundred twenty-one".