122661207 has 12 divisors (see below), whose sum is σ = 186502680. Its totient is φ = 77470128.

The previous prime is 122661197. The next prime is 122661229. The reversal of 122661207 is 702166221.

It is not a de Polignac number, because 122661207 - 2⁴ = 122661191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122661247) 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 11 ways as a sum of consecutive naturals, for example, 358488 + ... + 358829.

It is an arithmetic number, because the mean of its divisors is an integer number (15541890).

Almost surely, 2^122661207 is an apocalyptic number.

122661207 is a deficient number, since it is larger than the sum of its proper divisors (63841473).

122661207 is a wasteful number, since it uses less digits than its factorization.

122661207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717342 (or 717339 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 122661207 is about 11075.2520061622. The cubic root of 122661207 is about 496.8619558935.

The spelling of 122661207 in words is "one hundred twenty-two million, six hundred sixty-one thousand, two hundred seven".