242120524155 has 8 divisors (see below), whose sum is σ = 387392838672. Its totient is φ = 129130946208.

The previous prime is 242120524133. The next prime is 242120524183. The reversal of 242120524155 is 551425021242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242120524155 - 2⁸ = 242120523899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8070684124 + ... + 8070684153.

It is an arithmetic number, because the mean of its divisors is an integer number (48424104834).

Almost surely, 2^242120524155 is an apocalyptic number.

242120524155 is a deficient number, since it is larger than the sum of its proper divisors (145272314517).

242120524155 is a wasteful number, since it uses less digits than its factorization.

242120524155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16141368285.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 242120524155 its reverse (551425021242), we get a palindrome (793545545397).

The spelling of 242120524155 in words is "two hundred forty-two billion, one hundred twenty million, five hundred twenty-four thousand, one hundred fifty-five".