120603615617 has 2 divisors, whose sum is σ = 120603615618. Its totient is φ = 120603615616.

The previous prime is 120603615607. The next prime is 120603615619. The reversal of 120603615617 is 716516306021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79428712561 + 41174903056 = 281831^2 + 202916^2 .

It is an emirp because it is prime and its reverse (716516306021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120603615617 - 2⁶ = 120603615553 is a prime.

Together with 120603615619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120603615619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60301807808 + 60301807809.

It is an arithmetic number, because the mean of its divisors is an integer number (60301807809).

Almost surely, 2^120603615617 is an apocalyptic number.

It is an amenable number.

120603615617 is a deficient number, since it is larger than the sum of its proper divisors (1).

120603615617 is an equidigital number, since it uses as much as digits as its factorization.

120603615617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 120603615617 in words is "one hundred twenty billion, six hundred three million, six hundred fifteen thousand, six hundred seventeen".