104042111 has 4 divisors (see below), whose sum is σ = 107629800. Its totient is φ = 100454424.

The previous prime is 104042063. The next prime is 104042123. The reversal of 104042111 is 111240401.

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 104042111 - 2¹⁰ = 104041087 is a prime.

It is a super-2 number, since 2×104042111² = 21649521722672642, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104042611) 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 in 3 ways as a sum of consecutive naturals, for example, 1793801 + ... + 1793858.

It is an arithmetic number, because the mean of its divisors is an integer number (26907450).

Almost surely, 2^104042111 is an apocalyptic number.

104042111 is a deficient number, since it is larger than the sum of its proper divisors (3587689).

104042111 is an equidigital number, since it uses as much as digits as its factorization.

104042111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587688.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 104042111 is about 10200.1034798673. The cubic root of 104042111 is about 470.3304014503.

Adding to 104042111 its reverse (111240401), we get a palindrome (215282512).

The spelling of 104042111 in words is "one hundred four million, forty-two thousand, one hundred eleven".