124049520 has 240 divisors, whose sum is σ = 482207232. Its totient is φ = 27993600.

The previous prime is 124049491. The next prime is 124049543. The reversal of 124049520 is 25940421.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 760959 + ... + 761121.

Almost surely, 2^124049520 is an apocalyptic number.

124049520 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 124049520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241103616).

124049520 is an abundant number, since it is smaller than the sum of its proper divisors (358157712).

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

124049520 is a wasteful number, since it uses less digits than its factorization.

124049520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 124049520 is about 11137.7520173507. The cubic root of 124049520 is about 498.7294675626.

Adding to 124049520 its reverse (25940421), we get a palindrome (149989941).

The spelling of 124049520 in words is "one hundred twenty-four million, forty-nine thousand, five hundred twenty".