104101521 has 8 divisors (see below), whose sum is σ = 138903744. Its totient is φ = 69350160.

The previous prime is 104101511. The next prime is 104101537. The reversal of 104101521 is 125101401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104101521 - 2¹⁹ = 103577233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104101521.

It is not an unprimeable number, because it can be changed into a prime (104101511) 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 in 7 ways as a sum of consecutive naturals, for example, 7650 + ... + 16331.

It is an arithmetic number, because the mean of its divisors is an integer number (17362968).

Almost surely, 2^104101521 is an apocalyptic number.

It is an amenable number.

104101521 is a deficient number, since it is larger than the sum of its proper divisors (34802223).

104101521 is a wasteful number, since it uses less digits than its factorization.

104101521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25431.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 104101521 is about 10203.0152896092. The cubic root of 104101521 is about 470.4199069144.

Adding to 104101521 its reverse (125101401), we get a palindrome (229202922).

The spelling of 104101521 in words is "one hundred four million, one hundred one thousand, five hundred twenty-one".