104019 has 4 divisors (see below), whose sum is σ = 138696. Its totient is φ = 69344.

The previous prime is 104009. The next prime is 104021. The reversal of 104019 is 910401.

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 104019 - 2⁴ = 104003 is a prime.

It is a super-2 number, since 2×104019² = 21639904722, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 103989 and 104007.

It is not an unprimeable number, because it can be changed into a prime (104009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17334 + ... + 17339.

It is an arithmetic number, because the mean of its divisors is an integer number (34674).

2¹⁰⁴⁰¹⁹ is an apocalyptic number.

104019 is a deficient number, since it is larger than the sum of its proper divisors (34677).

104019 is an equidigital number, since it uses as much as digits as its factorization.

104019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34676.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 104019 is about 322.5197668361. The cubic root of 104019 is about 47.0295573851.

The spelling of 104019 in words is "one hundred four thousand, nineteen".