104543019 has 72 divisors (see below), whose sum is σ = 185842800. Its totient is φ = 56391552.

The previous prime is 104542973. The next prime is 104543029. The reversal of 104543019 is 910345401.

104543019 is a `hidden beast` number, since 104 + 543 + 0 + 19 = 666.

It is not a de Polignac number, because 104543019 - 2⁷ = 104542891 is a prime.

It is a super-2 number, since 2×104543019² = 21858485643268722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104542983 and 104543001.

It is not an unprimeable number, because it can be changed into a prime (104543029) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 701557 + ... + 701705.

It is an arithmetic number, because the mean of its divisors is an integer number (2581150).

Almost surely, 2^104543019 is an apocalyptic number.

104543019 is a deficient number, since it is larger than the sum of its proper divisors (81299781).

104543019 is a wasteful number, since it uses less digits than its factorization.

104543019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 104543019 is about 10224.6280616950. The cubic root of 104543019 is about 471.0839911339.

The spelling of 104543019 in words is "one hundred four million, five hundred forty-three thousand, nineteen".