112450891 has 16 divisors (see below), whose sum is σ = 133196800. Its totient is φ = 92933568.

The previous prime is 112450889. The next prime is 112450909. The reversal of 112450891 is 198054211.

It is a happy number.

It is not a de Polignac number, because 112450891 - 2¹ = 112450889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112451891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21415 + ... + 26143.

It is an arithmetic number, because the mean of its divisors is an integer number (8324800).

Almost surely, 2^112450891 is an apocalyptic number.

112450891 is a deficient number, since it is larger than the sum of its proper divisors (20745909).

112450891 is an equidigital number, since it uses as much as digits as its factorization.

112450891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 112450891 is about 10604.2864446411. The cubic root of 112450891 is about 482.6744387932.

The spelling of 112450891 in words is "one hundred twelve million, four hundred fifty thousand, eight hundred ninety-one".