242405124 has 48 divisors (see below), whose sum is σ = 612921792. Its totient is φ = 74120832.

The previous prime is 242405123. The next prime is 242405131. The reversal of 242405124 is 421504242.

It is a happy number.

242405124 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 242405094 and 242405103.

It is not an unprimeable number, because it can be changed into a prime (242405123) 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, 20662 + ... + 30194.

It is an arithmetic number, because the mean of its divisors is an integer number (12769204).

Almost surely, 2^242405124 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 242405124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306460896).

242405124 is an abundant number, since it is smaller than the sum of its proper divisors (370516668).

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

242405124 is a wasteful number, since it uses less digits than its factorization.

242405124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716 (or 9714 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 242405124 is about 15569.3649196106. The cubic root of 242405124 is about 623.5155160300.

Adding to 242405124 its reverse (421504242), we get a palindrome (663909366).

The spelling of 242405124 in words is "two hundred forty-two million, four hundred five thousand, one hundred twenty-four".