124530 has 32 divisors (see below), whose sum is σ = 342144. Its totient is φ = 28416.

The previous prime is 124529. The next prime is 124541. The reversal of 124530 is 35421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87 + ... + 506.

It is an arithmetic number, because the mean of its divisors is an integer number (10692).

2¹²⁴⁵³⁰ is an apocalyptic number.

124530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124530 is an abundant number, since it is smaller than the sum of its proper divisors (217614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124530 is a wasteful number, since it uses less digits than its factorization.

124530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 124530 is about 352.8880842420. Note that the first 3 decimals coincide. The cubic root of 124530 is about 49.9372546266.

Adding to 124530 its reverse (35421), we get a palindrome (159951).

It can be divided in two parts, 1245 and 30, that added together give a triangular number (1275 = T₅₀).

The spelling of 124530 in words is "one hundred twenty-four thousand, five hundred thirty".