104668621 has 2 divisors, whose sum is σ = 104668622. Its totient is φ = 104668620.

The previous prime is 104668591. The next prime is 104668637. The reversal of 104668621 is 126866401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101727396 + 2941225 = 10086^2 + 1715^2 .

It is a cyclic number.

It is not a de Polignac number, because 104668621 - 2⁵ = 104668589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104668021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52334310 + 52334311.

It is an arithmetic number, because the mean of its divisors is an integer number (52334311).

Almost surely, 2^104668621 is an apocalyptic number.

It is an amenable number.

104668621 is a deficient number, since it is larger than the sum of its proper divisors (1).

104668621 is an equidigital number, since it uses as much as digits as its factorization.

104668621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 104668621 is about 10230.7683484673. The cubic root of 104668621 is about 471.2725750993.

The spelling of 104668621 in words is "one hundred four million, six hundred sixty-eight thousand, six hundred twenty-one".