122206679 has 4 divisors (see below), whose sum is σ = 139664784. Its totient is φ = 104748576.

The previous prime is 122206673. The next prime is 122206687. The reversal of 122206679 is 976602221.

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

It is a cyclic number.

It is not a de Polignac number, because 122206679 - 2⁴ = 122206663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122206673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8729042 + ... + 8729055.

It is an arithmetic number, because the mean of its divisors is an integer number (34916196).

Almost surely, 2^122206679 is an apocalyptic number.

122206679 is a deficient number, since it is larger than the sum of its proper divisors (17458105).

122206679 is an equidigital number, since it uses as much as digits as its factorization.

122206679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17458104.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 122206679 is about 11054.7129768258. The cubic root of 122206679 is about 496.2474796362.

The spelling of 122206679 in words is "one hundred twenty-two million, two hundred six thousand, six hundred seventy-nine".