124189 has 8 divisors (see below), whose sum is σ = 137592. Its totient is φ = 111360.

The previous prime is 124183. The next prime is 124193. The reversal of 124189 is 981421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7225 + 116964 = 85^2 + 342^2 .

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 124189 - 2³ = 124181 is a prime.

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 (124181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 649.

It is an arithmetic number, because the mean of its divisors is an integer number (17199).

2¹²⁴¹⁸⁹ is an apocalyptic number.

It is an amenable number.

124189 is a deficient number, since it is larger than the sum of its proper divisors (13403).

124189 is a wasteful number, since it uses less digits than its factorization.

124189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287.

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

The square root of 124189 is about 352.4045970188. The cubic root of 124189 is about 49.8916319637.

It can be divided in two parts, 124 and 189, that multiplied together give a triangular number (23436 = T₂₁₆).

The spelling of 124189 in words is "one hundred twenty-four thousand, one hundred eighty-nine".