142242124979 has 2 divisors, whose sum is σ = 142242124980. Its totient is φ = 142242124978.

The previous prime is 142242124949. The next prime is 142242125029. The reversal of 142242124979 is 979421242241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142242124979 - 2¹² = 142242120883 is a prime.

It is not a weakly prime, because it can be changed into another prime (142242124919) 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 as a sum of consecutive naturals, namely, 71121062489 + 71121062490.

It is an arithmetic number, because the mean of its divisors is an integer number (71121062490).

Almost surely, 2^142242124979 is an apocalyptic number.

142242124979 is a deficient number, since it is larger than the sum of its proper divisors (1).

142242124979 is an equidigital number, since it uses as much as digits as its factorization.

142242124979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The spelling of 142242124979 in words is "one hundred forty-two billion, two hundred forty-two million, one hundred twenty-four thousand, nine hundred seventy-nine".