122730717047 has 4 divisors (see below), whose sum is σ = 122737039776. Its totient is φ = 122724394320.

The previous prime is 122730717023. The next prime is 122730717077. The reversal of 122730717047 is 740717037221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122730717047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122730716995 and 122730717013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122730717007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3132158 + ... + 3171099.

It is an arithmetic number, because the mean of its divisors is an integer number (30684259944).

Almost surely, 2^122730717047 is an apocalyptic number.

122730717047 is a deficient number, since it is larger than the sum of its proper divisors (6322729).

122730717047 is an equidigital number, since it uses as much as digits as its factorization.

122730717047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6322728.

The product of its (nonzero) digits is 115248, while the sum is 41.

The spelling of 122730717047 in words is "one hundred twenty-two billion, seven hundred thirty million, seven hundred seventeen thousand, forty-seven".