104120215 has 4 divisors (see below), whose sum is σ = 124944264. Its totient is φ = 83296168.

The previous prime is 104120207. The next prime is 104120221. The reversal of 104120215 is 512021401.

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

It is a cyclic number.

It is not a de Polignac number, because 104120215 - 2³ = 104120207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10412017 + ... + 10412026.

It is an arithmetic number, because the mean of its divisors is an integer number (31236066).

Almost surely, 2^104120215 is an apocalyptic number.

104120215 is a deficient number, since it is larger than the sum of its proper divisors (20824049).

104120215 is an equidigital number, since it uses as much as digits as its factorization.

104120215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20824048.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 104120215 is about 10203.9313502199. The cubic root of 104120215 is about 470.4480637345.

Adding to 104120215 its reverse (512021401), we get a palindrome (616141616).

The spelling of 104120215 in words is "one hundred four million, one hundred twenty thousand, two hundred fifteen".