104030621 has 4 divisors (see below), whose sum is σ = 105455772. Its totient is φ = 102605472.

The previous prime is 104030561. The next prime is 104030651. The reversal of 104030621 is 126030401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70795396 + 33235225 = 8414^2 + 5765^2 .

It is a cyclic number.

It is not a de Polignac number, because 104030621 - 2⁶ = 104030557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104030621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104030651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712466 + ... + 712611.

It is an arithmetic number, because the mean of its divisors is an integer number (26363943).

Almost surely, 2^104030621 is an apocalyptic number.

It is an amenable number.

104030621 is a deficient number, since it is larger than the sum of its proper divisors (1425151).

104030621 is an equidigital number, since it uses as much as digits as its factorization.

104030621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425150.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 104030621 is about 10199.5402347361. The cubic root of 104030621 is about 470.3130870020.

The spelling of 104030621 in words is "one hundred four million, thirty thousand, six hundred twenty-one".