122173040647 has 8 divisors (see below), whose sum is σ = 139668125696. Its totient is φ = 104688403992.

The previous prime is 122173040597. The next prime is 122173040711. The reversal of 122173040647 is 746040371221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122173040647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122173040147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2587023 + ... + 2633824.

It is an arithmetic number, because the mean of its divisors is an integer number (17458515712).

Almost surely, 2^122173040647 is an apocalyptic number.

122173040647 is a deficient number, since it is larger than the sum of its proper divisors (17495085049).

122173040647 is an equidigital number, since it uses as much as digits as its factorization.

122173040647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224197.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 122173040647 in words is "one hundred twenty-two billion, one hundred seventy-three million, forty thousand, six hundred forty-seven".