112042505 has 4 divisors (see below), whose sum is σ = 134451012. Its totient is φ = 89634000.

The previous prime is 112042493. The next prime is 112042519. The reversal of 112042505 is 505240211.

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 19035769 + 93006736 = 4363^2 + 9644^2 .

It is not a de Polignac number, because 112042505 - 2¹⁰ = 112041481 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, 11204246 + ... + 11204255.

It is an arithmetic number, because the mean of its divisors is an integer number (33612753).

Almost surely, 2^112042505 is an apocalyptic number.

It is an amenable number.

112042505 is a deficient number, since it is larger than the sum of its proper divisors (22408507).

112042505 is an equidigital number, since it uses as much as digits as its factorization.

112042505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22408506.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 112042505 is about 10585.0132262553. The cubic root of 112042505 is about 482.0894231567.

Adding to 112042505 its reverse (505240211), we get a palindrome (617282716).

The spelling of 112042505 in words is "one hundred twelve million, forty-two thousand, five hundred five".