104140111 has 4 divisors (see below), whose sum is σ = 104495832. Its totient is φ = 103784392.

The previous prime is 104140103. The next prime is 104140117. The reversal of 104140111 is 111041401.

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 104140111 - 2³ = 104140103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104140091 and 104140100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104140117) 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, 177421 + ... + 178006.

It is an arithmetic number, because the mean of its divisors is an integer number (26123958).

Almost surely, 2^104140111 is an apocalyptic number.

104140111 is a deficient number, since it is larger than the sum of its proper divisors (355721).

104140111 is an equidigital number, since it uses as much as digits as its factorization.

104140111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355720.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 104140111 is about 10204.9062220091. The cubic root of 104140111 is about 470.4780272997.

Adding to 104140111 its reverse (111041401), we get a palindrome (215181512).

It can be divided in two parts, 1041401 and 11, that multiplied together give a palindrome (11455411).

The spelling of 104140111 in words is "one hundred four million, one hundred forty thousand, one hundred eleven".