120424502977 has 2 divisors, whose sum is σ = 120424502978. Its totient is φ = 120424502976.

The previous prime is 120424502969. The next prime is 120424503019. The reversal of 120424502977 is 779205424021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119436595216 + 987907761 = 345596^2 + 31431^2 .

It is an emirp because it is prime and its reverse (779205424021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120424502977 - 2³ = 120424502969 is a prime.

It is not a weakly prime, because it can be changed into another prime (120424502677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60212251488 + 60212251489.

It is an arithmetic number, because the mean of its divisors is an integer number (60212251489).

Almost surely, 2^120424502977 is an apocalyptic number.

It is an amenable number.

120424502977 is a deficient number, since it is larger than the sum of its proper divisors (1).

120424502977 is an equidigital number, since it uses as much as digits as its factorization.

120424502977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 43.

Adding to 120424502977 its reverse (779205424021), we get a palindrome (899629926998).

The spelling of 120424502977 in words is "one hundred twenty billion, four hundred twenty-four million, five hundred two thousand, nine hundred seventy-seven".