122320907 has 2 divisors, whose sum is σ = 122320908. Its totient is φ = 122320906.

The previous prime is 122320897. The next prime is 122320937. The reversal of 122320907 is 709023221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122320907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122320937) 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 as a sum of consecutive naturals, namely, 61160453 + 61160454.

It is an arithmetic number, because the mean of its divisors is an integer number (61160454).

Almost surely, 2^122320907 is an apocalyptic number.

122320907 is a deficient number, since it is larger than the sum of its proper divisors (1).

122320907 is an equidigital number, since it uses as much as digits as its factorization.

122320907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 122320907 is about 11059.8782543028. The cubic root of 122320907 is about 496.4020475787.

The spelling of 122320907 in words is "one hundred twenty-two million, three hundred twenty thousand, nine hundred seven".