122660245247 has 2 divisors, whose sum is σ = 122660245248. Its totient is φ = 122660245246.

The previous prime is 122660245237. The next prime is 122660245297. The reversal of 122660245247 is 742542066221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122660245247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122660245207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61330122623 + 61330122624.

It is an arithmetic number, because the mean of its divisors is an integer number (61330122624).

Almost surely, 2^122660245247 is an apocalyptic number.

122660245247 is a deficient number, since it is larger than the sum of its proper divisors (1).

122660245247 is an equidigital number, since it uses as much as digits as its factorization.

122660245247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 122660245247 in words is "one hundred twenty-two billion, six hundred sixty million, two hundred forty-five thousand, two hundred forty-seven".