104213015 has 4 divisors (see below), whose sum is σ = 125055624. Its totient is φ = 83370408.

The previous prime is 104213003. The next prime is 104213027. The reversal of 104213015 is 510312401.

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

It is an interprime number because it is at equal distance from previous prime (104213003) and next prime (104213027).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104213015 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104212984 and 104213002.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10421297 + ... + 10421306.

It is an arithmetic number, because the mean of its divisors is an integer number (31263906).

Almost surely, 2^104213015 is an apocalyptic number.

104213015 is a deficient number, since it is larger than the sum of its proper divisors (20842609).

104213015 is an equidigital number, since it uses as much as digits as its factorization.

104213015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20842608.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 104213015 is about 10208.4776044227. The cubic root of 104213015 is about 470.5877888154.

Adding to 104213015 its reverse (510312401), we get a palindrome (614525416).

The spelling of 104213015 in words is "one hundred four million, two hundred thirteen thousand, fifteen".