122736216107 has 4 divisors (see below), whose sum is σ = 122879099640. Its totient is φ = 122593332576.

The previous prime is 122736216049. The next prime is 122736216121. The reversal of 122736216107 is 701612637221.

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-122736216107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122736216307) 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, 71440478 + ... + 71442195.

It is an arithmetic number, because the mean of its divisors is an integer number (30719774910).

Almost surely, 2^122736216107 is an apocalyptic number.

122736216107 is a deficient number, since it is larger than the sum of its proper divisors (142883533).

122736216107 is an equidigital number, since it uses as much as digits as its factorization.

122736216107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142883532.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 122736216107 in words is "one hundred twenty-two billion, seven hundred thirty-six million, two hundred sixteen thousand, one hundred seven".