122621107207 has 4 divisors (see below), whose sum is σ = 123057481536. Its totient is φ = 122184732880.

The previous prime is 122621107087. The next prime is 122621107237. The reversal of 122621107207 is 702701126221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122621107207 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 (122621107237) 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 3 ways as a sum of consecutive naturals, for example, 218186743 + ... + 218187304.

It is an arithmetic number, because the mean of its divisors is an integer number (30764370384).

Almost surely, 2^122621107207 is an apocalyptic number.

122621107207 is a deficient number, since it is larger than the sum of its proper divisors (436374329).

122621107207 is an equidigital number, since it uses as much as digits as its factorization.

122621107207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436374328.

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 122621107207 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred seven thousand, two hundred seven".