122342147 has 2 divisors, whose sum is σ = 122342148. Its totient is φ = 122342146.

The previous prime is 122342131. The next prime is 122342153. The reversal of 122342147 is 741243221.

It is a strong prime.

It is an emirp because it is prime and its reverse (741243221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122342147 - 2⁴ = 122342131 is a prime.

It is not a weakly prime, because it can be changed into another prime (122342107) 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, 61171073 + 61171074.

It is an arithmetic number, because the mean of its divisors is an integer number (61171074).

Almost surely, 2^122342147 is an apocalyptic number.

122342147 is a deficient number, since it is larger than the sum of its proper divisors (1).

122342147 is an equidigital number, since it uses as much as digits as its factorization.

122342147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 122342147 is about 11060.8384401907. The cubic root of 122342147 is about 496.4307779338.

Adding to 122342147 its reverse (741243221), we get a palindrome (863585368).

The spelling of 122342147 in words is "one hundred twenty-two million, three hundred forty-two thousand, one hundred forty-seven".