112489771 has 4 divisors (see below), whose sum is σ = 112677544. Its totient is φ = 112302000.

The previous prime is 112489733. The next prime is 112489829. The reversal of 112489771 is 177984211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112489771 - 2²³ = 104101163 is a prime.

It is a super-3 number, since 3×112489771³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112489721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92985 + ... + 94186.

It is an arithmetic number, because the mean of its divisors is an integer number (28169386).

Almost surely, 2^112489771 is an apocalyptic number.

112489771 is a deficient number, since it is larger than the sum of its proper divisors (187773).

112489771 is an equidigital number, since it uses as much as digits as its factorization.

112489771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187772.

The product of its digits is 28224, while the sum is 40.

The square root of 112489771 is about 10606.1195071525. The cubic root of 112489771 is about 482.7300607617.

The spelling of 112489771 in words is "one hundred twelve million, four hundred eighty-nine thousand, seven hundred seventy-one".