112000161 has 16 divisors (see below), whose sum is σ = 183795584. Its totient is φ = 59076864.

The previous prime is 112000123. The next prime is 112000219. The reversal of 112000161 is 161000211.

It is a happy number.

It is not a de Polignac number, because 112000161 - 2¹⁵ = 111967393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112000111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204856 + ... + 205401.

It is an arithmetic number, because the mean of its divisors is an integer number (11487224).

Almost surely, 2^112000161 is an apocalyptic number.

It is an amenable number.

112000161 is a deficient number, since it is larger than the sum of its proper divisors (71795423).

112000161 is a wasteful number, since it uses less digits than its factorization.

112000161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410280.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 112000161 is about 10583.0128507906. The cubic root of 112000161 is about 482.0286838069.

Adding to 112000161 its reverse (161000211), we get a palindrome (273000372).

Subtracting 112000161 from its reverse (161000211), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 112000161 in words is "one hundred twelve million, one hundred sixty-one", and thus it is an aban number.