242045121 has 8 divisors (see below), whose sum is σ = 322968384. Its totient is φ = 161242640.

The previous prime is 242045119. The next prime is 242045129. The reversal of 242045121 is 121540242.

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

It is a cyclic number.

It is not a de Polignac number, because 242045121 - 2¹ = 242045119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242045129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25410 + ... + 33611.

It is an arithmetic number, because the mean of its divisors is an integer number (40371048).

Almost surely, 2^242045121 is an apocalyptic number.

It is an amenable number.

242045121 is a deficient number, since it is larger than the sum of its proper divisors (80923263).

242045121 is a wasteful number, since it uses less digits than its factorization.

242045121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60391.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 242045121 is about 15557.7993623777. The cubic root of 242045121 is about 623.2066960052.

Adding to 242045121 its reverse (121540242), we get a palindrome (363585363).

The spelling of 242045121 in words is "two hundred forty-two million, forty-five thousand, one hundred twenty-one".