104221135 has 16 divisors (see below), whose sum is σ = 132761376. Its totient is φ = 78271488.

The previous prime is 104221127. The next prime is 104221141. The reversal of 104221135 is 531122401.

It is a cyclic number.

It is not a de Polignac number, because 104221135 - 2³ = 104221127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37504 + ... + 40186.

It is an arithmetic number, because the mean of its divisors is an integer number (8297586).

Almost surely, 2^104221135 is an apocalyptic number.

104221135 is a deficient number, since it is larger than the sum of its proper divisors (28540241).

104221135 is a wasteful number, since it uses less digits than its factorization.

104221135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 104221135 is about 10208.8753053409. The cubic root of 104221135 is about 470.6000108129.

Adding to 104221135 its reverse (531122401), we get a palindrome (635343536).

The spelling of 104221135 in words is "one hundred four million, two hundred twenty-one thousand, one hundred thirty-five".