112891929 has 4 divisors (see below), whose sum is σ = 150522576. Its totient is φ = 75261284.

The previous prime is 112891913. The next prime is 112891969. The reversal of 112891929 is 929198211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112891929 - 2⁴ = 112891913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112891969) 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 3 ways as a sum of consecutive naturals, for example, 18815319 + ... + 18815324.

It is an arithmetic number, because the mean of its divisors is an integer number (37630644).

Almost surely, 2^112891929 is an apocalyptic number.

It is an amenable number.

112891929 is a deficient number, since it is larger than the sum of its proper divisors (37630647).

112891929 is an equidigital number, since it uses as much as digits as its factorization.

112891929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37630646.

The product of its digits is 23328, while the sum is 42.

The square root of 112891929 is about 10625.0613645287. The cubic root of 112891929 is about 483.3046400195.

The spelling of 112891929 in words is "one hundred twelve million, eight hundred ninety-one thousand, nine hundred twenty-nine".