112489 has 8 divisors (see below), whose sum is σ = 128520. Its totient is φ = 97536.

The previous prime is 112481. The next prime is 112501. The reversal of 112489 is 984211.

112489 = T₁₂₅ + T₁₂₆ + ... + T₁₃₇.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27225 + 85264 = 165^2 + 292^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112489 - 2³ = 112481 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34 + ... + 475.

It is an arithmetic number, because the mean of its divisors is an integer number (16065).

2¹¹²⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

112489 is a deficient number, since it is larger than the sum of its proper divisors (16031).

112489 is a wasteful number, since it uses less digits than its factorization.

112489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its digits is 576, while the sum is 25.

The square root of 112489 is about 335.3937983923. The cubic root of 112489 is about 48.2728957889.

It can be divided in two parts, 11 and 2489, that added together give a square (2500 = 50²).

The spelling of 112489 in words is "one hundred twelve thousand, four hundred eighty-nine".