104780111 has 8 divisors (see below), whose sum is σ = 109438560. Its totient is φ = 100130272.

The previous prime is 104780107. The next prime is 104780119. The reversal of 104780111 is 111087401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104780111 - 2² = 104780107 is a prime.

It is a super-2 number, since 2×104780111² = 21957743322344642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104780119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44225 + ... + 46533.

It is an arithmetic number, because the mean of its divisors is an integer number (13679820).

Almost surely, 2^104780111 is an apocalyptic number.

104780111 is a deficient number, since it is larger than the sum of its proper divisors (4658449).

104780111 is a wasteful number, since it uses less digits than its factorization.

104780111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 104780111 is about 10236.2156581424. The cubic root of 104780111 is about 471.4398443804.

The spelling of 104780111 in words is "one hundred four million, seven hundred eighty thousand, one hundred eleven".