122666642601 has 32 divisors (see below), whose sum is σ = 176535257088. Its totient is φ = 75542829120.

The previous prime is 122666642599. The next prime is 122666642629. The reversal of 122666642601 is 106246666221.

It is not a de Polignac number, because 122666642601 - 2¹ = 122666642599 is a prime.

It is a super-3 number, since 3×122666642601³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (122666643601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 982815 + ... + 1100571.

It is an arithmetic number, because the mean of its divisors is an integer number (5516726784).

Almost surely, 2^122666642601 is an apocalyptic number.

It is an amenable number.

122666642601 is a deficient number, since it is larger than the sum of its proper divisors (53868614487).

122666642601 is a wasteful number, since it uses less digits than its factorization.

122666642601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118301.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 122666642601 in words is "one hundred twenty-two billion, six hundred sixty-six million, six hundred forty-two thousand, six hundred one".