124040252 has 48 divisors (see below), whose sum is σ = 256048128. Its totient is φ = 51473280.

The previous prime is 124040239. The next prime is 124040261. The reversal of 124040252 is 252040421.

It is a happy number.

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, 191393 + ... + 192039.

It is an arithmetic number, because the mean of its divisors is an integer number (5334336).

Almost surely, 2^124040252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124040252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128024064).

124040252 is an abundant number, since it is smaller than the sum of its proper divisors (132007876).

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

124040252 is a wasteful number, since it uses less digits than its factorization.

124040252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 124040252 is about 11137.3359471644. The cubic root of 124040252 is about 498.7170468782.

Adding to 124040252 its reverse (252040421), we get a palindrome (376080673).

The spelling of 124040252 in words is "one hundred twenty-four million, forty thousand, two hundred fifty-two".