242125655 has 8 divisors (see below), whose sum is σ = 299923584. Its totient is φ = 187452000.

The previous prime is 242125651. The next prime is 242125661. The reversal of 242125655 is 556521242.

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

It is not a de Polignac number, because 242125655 - 2² = 242125651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242125651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780896 + ... + 781205.

It is an arithmetic number, because the mean of its divisors is an integer number (37490448).

Almost surely, 2^242125655 is an apocalyptic number.

242125655 is a deficient number, since it is larger than the sum of its proper divisors (57797929).

242125655 is a wasteful number, since it uses less digits than its factorization.

242125655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562137.

The product of its digits is 24000, while the sum is 32.

The square root of 242125655 is about 15560.3873666435. The cubic root of 242125655 is about 623.2758067596.

Adding to 242125655 its reverse (556521242), we get a palindrome (798646897).

The spelling of 242125655 in words is "two hundred forty-two million, one hundred twenty-five thousand, six hundred fifty-five".