104289521 has 16 divisors (see below), whose sum is σ = 126489600. Its totient is φ = 84047568.

The previous prime is 104289511. The next prime is 104289533. The reversal of 104289521 is 125982401.

It is a cyclic number.

It is not a de Polignac number, because 104289521 - 2¹⁴ = 104273137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104289511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4010 + ... + 14988.

It is an arithmetic number, because the mean of its divisors is an integer number (7905600).

Almost surely, 2^104289521 is an apocalyptic number.

It is an amenable number.

104289521 is a deficient number, since it is larger than the sum of its proper divisors (22200079).

104289521 is a wasteful number, since it uses less digits than its factorization.

104289521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11068.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 104289521 is about 10212.2240966403. The cubic root of 104289521 is about 470.7029183339.

The spelling of 104289521 in words is "one hundred four million, two hundred eighty-nine thousand, five hundred twenty-one".