104815219 has 2 divisors, whose sum is σ = 104815220. Its totient is φ = 104815218.

The previous prime is 104815199. The next prime is 104815223. The reversal of 104815219 is 912518401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104815219 - 2⁵ = 104815187 is a prime.

It is a super-2 number, since 2×104815219² = 21972460268035922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104815279) by changing a digit.

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 as a sum of consecutive naturals, namely, 52407609 + 52407610.

It is an arithmetic number, because the mean of its divisors is an integer number (52407610).

Almost surely, 2^104815219 is an apocalyptic number.

104815219 is a deficient number, since it is larger than the sum of its proper divisors (1).

104815219 is an equidigital number, since it uses as much as digits as its factorization.

104815219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 104815219 is about 10237.9304060928. The cubic root of 104815219 is about 471.4924926093.

The spelling of 104815219 in words is "one hundred four million, eight hundred fifteen thousand, two hundred nineteen".