104120111 has 4 divisors (see below), whose sum is σ = 104556000. Its totient is φ = 103684224.

The previous prime is 104120101. The next prime is 104120123. The reversal of 104120111 is 111021401.

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 104120111 - 2⁶ = 104120047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104120092 and 104120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104120101) 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, 217586 + ... + 218063.

It is an arithmetic number, because the mean of its divisors is an integer number (26139000).

Almost surely, 2^104120111 is an apocalyptic number.

104120111 is a deficient number, since it is larger than the sum of its proper divisors (435889).

104120111 is an equidigital number, since it uses as much as digits as its factorization.

104120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435888.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 104120111 is about 10203.9262541435. The cubic root of 104120111 is about 470.4479070995.

Adding to 104120111 its reverse (111021401), we get a palindrome (215141512).

The spelling of 104120111 in words is "one hundred four million, one hundred twenty thousand, one hundred eleven".