120421747967 has 2 divisors, whose sum is σ = 120421747968. Its totient is φ = 120421747966.

The previous prime is 120421747951. The next prime is 120421747987. The reversal of 120421747967 is 769747124021.

It is a weak prime.

It is an emirp because it is prime and its reverse (769747124021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120421747967 - 2⁴ = 120421747951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120421747987) 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, 60210873983 + 60210873984.

It is an arithmetic number, because the mean of its divisors is an integer number (60210873984).

Almost surely, 2^120421747967 is an apocalyptic number.

120421747967 is a deficient number, since it is larger than the sum of its proper divisors (1).

120421747967 is an equidigital number, since it uses as much as digits as its factorization.

120421747967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The spelling of 120421747967 in words is "one hundred twenty billion, four hundred twenty-one million, seven hundred forty-seven thousand, nine hundred sixty-seven".