242124636 has 48 divisors (see below), whose sum is σ = 621379584. Its totient is φ = 72912576.

The previous prime is 242124607. The next prime is 242124637. The reversal of 242124636 is 636421242.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242124637) 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, 9180 + ... + 23843.

It is an arithmetic number, because the mean of its divisors is an integer number (12945408).

Almost surely, 2^242124636 is an apocalyptic number.

242124636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

242124636 is an abundant number, since it is smaller than the sum of its proper divisors (379254948).

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

242124636 is a wasteful number, since it uses less digits than its factorization.

242124636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33090 (or 33088 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 242124636 is about 15560.3546232083. The cubic root of 242124636 is about 623.2749323941.

Adding to 242124636 its reverse (636421242), we get a palindrome (878545878).

The spelling of 242124636 in words is "two hundred forty-two million, one hundred twenty-four thousand, six hundred thirty-six".