112990017 has 16 divisors (see below), whose sum is σ = 181237760. Its totient is φ = 61167312.

The previous prime is 112989983. The next prime is 112990027. The reversal of 112990017 is 710099211.

It is a de Polignac number, because none of the positive numbers 2^k-112990017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112990027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141193 + ... + 141990.

It is an arithmetic number, because the mean of its divisors is an integer number (11327360).

Almost surely, 2^112990017 is an apocalyptic number.

It is an amenable number.

112990017 is a deficient number, since it is larger than the sum of its proper divisors (68247743).

112990017 is a wasteful number, since it uses less digits than its factorization.

112990017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283212.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 112990017 is about 10629.6762415419. The cubic root of 112990017 is about 483.4445752142. Note that the first 3 decimals are identical.

The spelling of 112990017 in words is "one hundred twelve million, nine hundred ninety thousand, seventeen".