112291993 has 12 divisors (see below), whose sum is σ = 123685744. Its totient is φ = 101871000.

The previous prime is 112291979. The next prime is 112291997. The reversal of 112291993 is 399192211.

It is a happy number.

It is not a de Polignac number, because 112291993 - 2⁵ = 112291961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112291997) 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 11 ways as a sum of consecutive naturals, for example, 106318 + ... + 107368.

Almost surely, 2^112291993 is an apocalyptic number.

It is an amenable number.

112291993 is a deficient number, since it is larger than the sum of its proper divisors (11393751).

112291993 is a wasteful number, since it uses less digits than its factorization.

112291993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956 (or 1945 counting only the distinct ones).

The product of its digits is 8748, while the sum is 37.

The square root of 112291993 is about 10596.7916370947. The cubic root of 112291993 is about 482.4469849668.

The spelling of 112291993 in words is "one hundred twelve million, two hundred ninety-one thousand, nine hundred ninety-three".