104202019 has 2 divisors, whose sum is σ = 104202020. Its totient is φ = 104202018.

The previous prime is 104202013. The next prime is 104202053. The reversal of 104202019 is 910202401.

It is a weak prime.

It is an emirp because it is prime and its reverse (910202401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104202019 - 2³ = 104202011 is a prime.

It is a super-2 number, since 2×104202019² = 21716121527352722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104201987 and 104202005.

It is not a weakly prime, because it can be changed into another prime (104202011) 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, 52101009 + 52101010.

It is an arithmetic number, because the mean of its divisors is an integer number (52101010).

Almost surely, 2^104202019 is an apocalyptic number.

104202019 is a deficient number, since it is larger than the sum of its proper divisors (1).

104202019 is an equidigital number, since it uses as much as digits as its factorization.

104202019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 104202019 is about 10207.9390182348. The cubic root of 104202019 is about 470.5712369310.

The spelling of 104202019 in words is "one hundred four million, two hundred two thousand, nineteen".