120112105 has 4 divisors (see below), whose sum is σ = 144134532. Its totient is φ = 96089680.

The previous prime is 120112087. The next prime is 120112121. The reversal of 120112105 is 501211021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22240656 + 97871449 = 4716^2 + 9893^2 .

It is not a de Polignac number, because 120112105 - 2¹¹ = 120110057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12011206 + ... + 12011215.

It is an arithmetic number, because the mean of its divisors is an integer number (36033633).

Almost surely, 2^120112105 is an apocalyptic number.

It is an amenable number.

120112105 is a deficient number, since it is larger than the sum of its proper divisors (24022427).

120112105 is an equidigital number, since it uses as much as digits as its factorization.

120112105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24022426.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 120112105 is about 10959.5668253814. The cubic root of 120112105 is about 493.3959641185.

Adding to 120112105 its reverse (501211021), we get a palindrome (621323126).

It can be divided in two parts, 120 and 112105, that added together give a square (112225 = 335²).

The spelling of 120112105 in words is "one hundred twenty million, one hundred twelve thousand, one hundred five".