124289 has 4 divisors (see below), whose sum is σ = 135600. Its totient is φ = 112980.

The previous prime is 124277. The next prime is 124291. The reversal of 124289 is 982421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124289 - 2¹² = 120193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (124249) 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, 5639 + ... + 5660.

It is an arithmetic number, because the mean of its divisors is an integer number (33900).

2¹²⁴²⁸⁹ is an apocalyptic number.

It is an amenable number.

124289 is a deficient number, since it is larger than the sum of its proper divisors (11311).

124289 is a wasteful number, since it uses less digits than its factorization.

124289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310.

The product of its digits is 1152, while the sum is 26.

The square root of 124289 is about 352.5464508402. The cubic root of 124289 is about 49.9050196891.

It can be divided in two parts, 1242 and 89, that added together give a palindrome (1331).

The spelling of 124289 in words is "one hundred twenty-four thousand, two hundred eighty-nine".