122720066241 has 8 divisors (see below), whose sum is σ = 163630079424. Its totient is φ = 81811715280.

The previous prime is 122720066221. The next prime is 122720066251. The reversal of 122720066241 is 142660027221.

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

It is not a de Polignac number, because 122720066241 - 2⁷ = 122720066113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122720066201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231661 + ... + 546906.

It is an arithmetic number, because the mean of its divisors is an integer number (20453759928).

Almost surely, 2^122720066241 is an apocalyptic number.

It is an amenable number.

122720066241 is a deficient number, since it is larger than the sum of its proper divisors (40910013183).

122720066241 is an equidigital number, since it uses as much as digits as its factorization.

122720066241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831111.

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 122720066241 in words is "one hundred twenty-two billion, seven hundred twenty million, sixty-six thousand, two hundred forty-one".