124543120 has 80 divisors (see below), whose sum is σ = 321979392. Its totient is φ = 44490240.

The previous prime is 124543109. The next prime is 124543121. The reversal of 124543120 is 21345421.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 124543091 and 124543100.

It is not an unprimeable number, because it can be changed into a prime (124543121) 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, 30309 + ... + 34171.

Almost surely, 2^124543120 is an apocalyptic number.

124543120 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 124543120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160989696).

124543120 is an abundant number, since it is smaller than the sum of its proper divisors (197436272).

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

124543120 is a wasteful number, since it uses less digits than its factorization.

124543120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3920 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 124543120 is about 11159.8888883358. Note that the first 6 decimals coincide. The cubic root of 124543120 is about 499.3900829716.

Adding to 124543120 its reverse (21345421), we get a palindrome (145888541).

The spelling of 124543120 in words is "one hundred twenty-four million, five hundred forty-three thousand, one hundred twenty".