122706521671 has 8 divisors (see below), whose sum is σ = 123088317984. Its totient is φ = 122325319680.

The previous prime is 122706521603. The next prime is 122706521789. The reversal of 122706521671 is 176125607221.

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-122706521671 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 (122706521471) 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, 266791 + ... + 562663.

It is an arithmetic number, because the mean of its divisors is an integer number (15386039748).

Almost surely, 2^122706521671 is an apocalyptic number.

122706521671 is a deficient number, since it is larger than the sum of its proper divisors (381796313).

122706521671 is an equidigital number, since it uses as much as digits as its factorization.

122706521671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297161.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 122706521671 in words is "one hundred twenty-two billion, seven hundred six million, five hundred twenty-one thousand, six hundred seventy-one".