242120545325 has 12 divisors (see below), whose sum is σ = 301485673920. Its totient is φ = 192885986160.

The previous prime is 242120545237. The next prime is 242120545379. The reversal of 242120545325 is 523545021242.

It is a happy number.

It is not a de Polignac number, because 242120545325 - 2³⁴ = 224940676141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20255159 + ... + 20267108.

It is an arithmetic number, because the mean of its divisors is an integer number (25123806160).

Almost surely, 2^242120545325 is an apocalyptic number.

242120545325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242120545325 is a deficient number, since it is larger than the sum of its proper divisors (59365128595).

242120545325 is a wasteful number, since it uses less digits than its factorization.

242120545325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40522516 (or 40522511 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 242120545325 its reverse (523545021242), we get a palindrome (765665566567).

The spelling of 242120545325 in words is "two hundred forty-two billion, one hundred twenty million, five hundred forty-five thousand, three hundred twenty-five".