112542489 has 6 divisors (see below), whose sum is σ = 162561386. Its totient is φ = 75028320.

The previous prime is 112542383. The next prime is 112542497. The reversal of 112542489 is 984245211.

It can be written as a sum of positive squares in only one way, i.e., 88454025 + 24088464 = 9405^2 + 4908^2 .

It is not a de Polignac number, because 112542489 - 2²¹ = 110445337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112542589) 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 5 ways as a sum of consecutive naturals, for example, 6252352 + ... + 6252369.

Almost surely, 2^112542489 is an apocalyptic number.

It is an amenable number.

112542489 is a deficient number, since it is larger than the sum of its proper divisors (50018897).

112542489 is a wasteful number, since it uses less digits than its factorization.

112542489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12504727 (or 12504724 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 112542489 is about 10608.6044793837. The cubic root of 112542489 is about 482.8054589918.

The spelling of 112542489 in words is "one hundred twelve million, five hundred forty-two thousand, four hundred eighty-nine".