124000520 has 64 divisors (see below), whose sum is σ = 329875200. Its totient is φ = 41045760.

The previous prime is 124000489. The next prime is 124000529. The reversal of 124000520 is 25000421.

It is a super-2 number, since 2×124000520² = 30752257920540800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 124000495 and 124000504.

It is not an unprimeable number, because it can be changed into a prime (124000529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485 + ... + 15755.

It is an arithmetic number, because the mean of its divisors is an integer number (5154300).

Almost surely, 2^124000520 is an apocalyptic number.

124000520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124000520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164937600).

124000520 is an abundant number, since it is smaller than the sum of its proper divisors (205874680).

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

124000520 is a wasteful number, since it uses less digits than its factorization.

124000520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15318 (or 15314 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 124000520 is about 11135.5520743248. The cubic root of 124000520 is about 498.6637922788.

Adding to 124000520 its reverse (25000421), we get a palindrome (149000941).

Subtracting from 124000520 its reverse (25000421), we obtain a palindrome (99000099).

The spelling of 124000520 in words is "one hundred twenty-four million, five hundred twenty", and thus it is an aban number.