242124001291 has 4 divisors (see below), whose sum is σ = 254867369800. Its totient is φ = 229380632784.

The previous prime is 242124001279. The next prime is 242124001307. The reversal of 242124001291 is 192100421242.

242124001291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242124001291 - 2²⁵ = 242090446859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242124001391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6371684226 + ... + 6371684263.

It is an arithmetic number, because the mean of its divisors is an integer number (63716842450).

Almost surely, 2^242124001291 is an apocalyptic number.

242124001291 is a deficient number, since it is larger than the sum of its proper divisors (12743368509).

242124001291 is a wasteful number, since it uses less digits than its factorization.

242124001291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12743368508.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 242124001291 in words is "two hundred forty-two billion, one hundred twenty-four million, one thousand, two hundred ninety-one".