112120505 has 8 divisors (see below), whose sum is σ = 153765312. Its totient is φ = 76882608.

The previous prime is 112120499. The next prime is 112120507. The reversal of 112120505 is 505021211.

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 112120505 - 2²² = 107926201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112120507) 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, 1601687 + ... + 1601756.

It is an arithmetic number, because the mean of its divisors is an integer number (19220664).

Almost surely, 2^112120505 is an apocalyptic number.

It is an amenable number.

112120505 is a deficient number, since it is larger than the sum of its proper divisors (41644807).

112120505 is an equidigital number, since it uses as much as digits as its factorization.

112120505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203455.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 112120505 is about 10588.6970397684. The cubic root of 112120505 is about 482.2012683664.

Adding to 112120505 its reverse (505021211), we get a palindrome (617141716).

The spelling of 112120505 in words is "one hundred twelve million, one hundred twenty thousand, five hundred five".