124125 has 16 divisors (see below), whose sum is σ = 207168. Its totient is φ = 66000.

The previous prime is 124123. The next prime is 124133. The reversal of 124125 is 521421.

It is not a de Polignac number, because 124125 - 2¹ = 124123 is a prime.

It is a hoax number, since the sum of its digits (15) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124121) 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, 210 + ... + 540.

It is an arithmetic number, because the mean of its divisors is an integer number (12948).

2¹²⁴¹²⁵ is an apocalyptic number.

124125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124125 is a deficient number, since it is larger than the sum of its proper divisors (83043).

124125 is an equidigital number, since it uses as much as digits as its factorization.

124125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 339 counting only the distinct ones).

The product of its digits is 80, while the sum is 15.

The square root of 124125 is about 352.3137805991. The cubic root of 124125 is about 49.8830600475.

Adding to 124125 its reverse (521421), we get a palindrome (645546).

The spelling of 124125 in words is "one hundred twenty-four thousand, one hundred twenty-five".