1105120104 has 96 divisors (see below), whose sum is σ = 3196788000. Its totient is φ = 317243520.

The previous prime is 1105120007. The next prime is 1105120117. The reversal of 1105120104 is 4010215011.

It is a happy number.

1105120104 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45162 + ... + 65190.

It is an arithmetic number, because the mean of its divisors is an integer number (33299875).

Almost surely, 2^1105120104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105120104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598394000).

1105120104 is an abundant number, since it is smaller than the sum of its proper divisors (2091667896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105120104 is a wasteful number, since it uses less digits than its factorization.

1105120104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20079 (or 20064 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1105120104 is about 33243.3467629239. The cubic root of 1105120104 is about 1033.8792676298.

Adding to 1105120104 its reverse (4010215011), we get a palindrome (5115335115).

The spelling of 1105120104 in words is "one billion, one hundred five million, one hundred twenty thousand, one hundred four".