122109307 has 2 divisors, whose sum is σ = 122109308. Its totient is φ = 122109306.

The previous prime is 122109289. The next prime is 122109311. The reversal of 122109307 is 703901221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122109307 - 2¹¹ = 122107259 is a prime.

It is not a weakly prime, because it can be changed into another prime (122109347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61054653 + 61054654.

It is an arithmetic number, because the mean of its divisors is an integer number (61054654).

Almost surely, 2^122109307 is an apocalyptic number.

122109307 is a deficient number, since it is larger than the sum of its proper divisors (1).

122109307 is an equidigital number, since it uses as much as digits as its factorization.

122109307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 122109307 is about 11050.3080047572. The cubic root of 122109307 is about 496.1156443734.

The spelling of 122109307 in words is "one hundred twenty-two million, one hundred nine thousand, three hundred seven".