112478889 has 4 divisors (see below), whose sum is σ = 149971856. Its totient is φ = 74985924.

The previous prime is 112478837. The next prime is 112478903. The reversal of 112478889 is 988874211.

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 not a de Polignac number, because 112478889 - 2⁷ = 112478761 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (112478389) 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, 18746479 + ... + 18746484.

It is an arithmetic number, because the mean of its divisors is an integer number (37492964).

Almost surely, 2^112478889 is an apocalyptic number.

It is an amenable number.

112478889 is a deficient number, since it is larger than the sum of its proper divisors (37492967).

112478889 is an equidigital number, since it uses as much as digits as its factorization.

112478889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37492966.

The product of its digits is 258048, while the sum is 48.

The square root of 112478889 is about 10605.6064890227. The cubic root of 112478889 is about 482.7144941969.

The spelling of 112478889 in words is "one hundred twelve million, four hundred seventy-eight thousand, eight hundred eighty-nine".