122197107 has 4 divisors (see below), whose sum is σ = 162929480. Its totient is φ = 81464736.

The previous prime is 122197069. The next prime is 122197147. The reversal of 122197107 is 701791221.

It is a happy number.

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

It is not a de Polignac number, because 122197107 - 2⁶ = 122197043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122197147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20366182 + ... + 20366187.

It is an arithmetic number, because the mean of its divisors is an integer number (40732370).

Almost surely, 2^122197107 is an apocalyptic number.

122197107 is a deficient number, since it is larger than the sum of its proper divisors (40732373).

122197107 is an equidigital number, since it uses as much as digits as its factorization.

122197107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40732372.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 122197107 is about 11054.2800308297. The cubic root of 122197107 is about 496.2345228842.

The spelling of 122197107 in words is "one hundred twenty-two million, one hundred ninety-seven thousand, one hundred seven".