122621743707 has 16 divisors (see below), whose sum is σ = 164803264512. Its totient is φ = 81094184640.

The previous prime is 122621743691. The next prime is 122621743729. The reversal of 122621743707 is 707347126221.

It is not a de Polignac number, because 122621743707 - 2⁴ = 122621743691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122621743807) 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 15 ways as a sum of consecutive naturals, for example, 4356423 + ... + 4384479.

It is an arithmetic number, because the mean of its divisors is an integer number (10300204032).

Almost surely, 2^122621743707 is an apocalyptic number.

122621743707 is a deficient number, since it is larger than the sum of its proper divisors (42181520805).

122621743707 is a wasteful number, since it uses less digits than its factorization.

122621743707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39658.

The product of its (nonzero) digits is 197568, while the sum is 42.

Adding to 122621743707 its reverse (707347126221), we get a palindrome (829968869928).

The spelling of 122621743707 in words is "one hundred twenty-two billion, six hundred twenty-one million, seven hundred forty-three thousand, seven hundred seven".