242126750257 has 8 divisors (see below), whose sum is σ = 279456052032. Its totient is φ = 205482390000.

The previous prime is 242126750233. The next prime is 242126750317. The reversal of 242126750257 is 752057621242.

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 242126750257 - 2²³ = 242118361649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242123750257) 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, 171234619 + ... + 171236032.

It is an arithmetic number, because the mean of its divisors is an integer number (34932006504).

Almost surely, 2^242126750257 is an apocalyptic number.

It is an amenable number.

242126750257 is a deficient number, since it is larger than the sum of its proper divisors (37329301775).

242126750257 is a wasteful number, since it uses less digits than its factorization.

242126750257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342470759.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 242126750257 in words is "two hundred forty-two billion, one hundred twenty-six million, seven hundred fifty thousand, two hundred fifty-seven".