124135 has 16 divisors (see below), whose sum is σ = 169632. Its totient is φ = 86400.

The previous prime is 124133. The next prime is 124139. The reversal of 124135 is 531421.

It is not a de Polignac number, because 124135 - 2¹ = 124133 is a prime.

It is a Duffinian number.

124135 is a lucky number.

It is a plaindrome in base 13 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124133) 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, 2005 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (10602).

2¹²⁴¹³⁵ is an apocalyptic number.

124135 is a deficient number, since it is larger than the sum of its proper divisors (45497).

124135 is a wasteful number, since it uses less digits than its factorization.

124135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114.

The product of its digits is 120, while the sum is 16.

The square root of 124135 is about 352.3279722077. The cubic root of 124135 is about 49.8843996036.

Adding to 124135 its reverse (531421), we get a palindrome (655556).

The spelling of 124135 in words is "one hundred twenty-four thousand, one hundred thirty-five".