122542351147 has 2 divisors, whose sum is σ = 122542351148. Its totient is φ = 122542351146.

The previous prime is 122542351133. The next prime is 122542351187. The reversal of 122542351147 is 741153245221.

It is a weak prime.

It is an emirp because it is prime and its reverse (741153245221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122542351147 is a prime.

It is not a weakly prime, because it can be changed into another prime (122542351187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61271175573 + 61271175574.

It is an arithmetic number, because the mean of its divisors is an integer number (61271175574).

Almost surely, 2^122542351147 is an apocalyptic number.

122542351147 is a deficient number, since it is larger than the sum of its proper divisors (1).

122542351147 is an equidigital number, since it uses as much as digits as its factorization.

122542351147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67200, while the sum is 37.

Adding to 122542351147 its reverse (741153245221), we get a palindrome (863695596368).

The spelling of 122542351147 in words is "one hundred twenty-two billion, five hundred forty-two million, three hundred fifty-one thousand, one hundred forty-seven".