242106274987 has 2 divisors, whose sum is σ = 242106274988. Its totient is φ = 242106274986.

The previous prime is 242106274981. The next prime is 242106275023. The reversal of 242106274987 is 789472601242.

242106274987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242106274987 - 2⁷ = 242106274859 is a prime.

It is not a weakly prime, because it can be changed into another prime (242106274981) 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 as a sum of consecutive naturals, namely, 121053137493 + 121053137494.

It is an arithmetic number, because the mean of its divisors is an integer number (121053137494).

Almost surely, 2^242106274987 is an apocalyptic number.

242106274987 is a deficient number, since it is larger than the sum of its proper divisors (1).

242106274987 is an equidigital number, since it uses as much as digits as its factorization.

242106274987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 242106274987 in words is "two hundred forty-two billion, one hundred six million, two hundred seventy-four thousand, nine hundred eighty-seven".