124129 has 4 divisors (see below), whose sum is σ = 125460. Its totient is φ = 122800.

The previous prime is 124123. The next prime is 124133. The reversal of 124129 is 921421.

124129 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 921421 = 251 ⋅3671.

It can be written as a sum of positive squares in 2 ways, for example, as 121104 + 3025 = 348^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 124129 - 2³ = 124121 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (124121) 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, 514 + ... + 715.

It is an arithmetic number, because the mean of its divisors is an integer number (31365).

2¹²⁴¹²⁹ is an apocalyptic number.

It is an amenable number.

124129 is a deficient number, since it is larger than the sum of its proper divisors (1331).

124129 is a wasteful number, since it uses less digits than its factorization.

124129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

The product of its digits is 144, while the sum is 19.

The square root of 124129 is about 352.3194573111. The cubic root of 124129 is about 49.8835958786.

It can be divided in two parts, 12412 and 9, that added together give a palindrome (12421).

The spelling of 124129 in words is "one hundred twenty-four thousand, one hundred twenty-nine".