124389 has 16 divisors (see below), whose sum is σ = 195840. Its totient is φ = 77760.

The previous prime is 124367. The next prime is 124427. The reversal of 124389 is 983421.

124389 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 124389 - 2⁸ = 124133 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

124389 is strictly pandigital in base 7.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124309) 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 15 ways as a sum of consecutive naturals, for example, 324 + ... + 594.

It is an arithmetic number, because the mean of its divisors is an integer number (12240).

2¹²⁴³⁸⁹ is an apocalyptic number.

It is an amenable number.

124389 is a deficient number, since it is larger than the sum of its proper divisors (71451).

124389 is a wasteful number, since it uses less digits than its factorization.

124389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 291 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 124389 is about 352.6882476069. The cubic root of 124389 is about 49.9184002353.

The spelling of 124389 in words is "one hundred twenty-four thousand, three hundred eighty-nine".