122320147 has 2 divisors, whose sum is σ = 122320148. Its totient is φ = 122320146.

The previous prime is 122320123. The next prime is 122320181. The reversal of 122320147 is 741023221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122320147 - 2¹¹ = 122318099 is a prime.

It is not a weakly prime, because it can be changed into another prime (122320447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61160073 + 61160074.

It is an arithmetic number, because the mean of its divisors is an integer number (61160074).

Almost surely, 2^122320147 is an apocalyptic number.

122320147 is a deficient number, since it is larger than the sum of its proper divisors (1).

122320147 is an equidigital number, since it uses as much as digits as its factorization.

122320147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 122320147 is about 11059.8438958242. The cubic root of 122320147 is about 496.4010195006.

Adding to 122320147 its reverse (741023221), we get a palindrome (863343368).

The spelling of 122320147 in words is "one hundred twenty-two million, three hundred twenty thousand, one hundred forty-seven".