122340324157 has 2 divisors, whose sum is σ = 122340324158. Its totient is φ = 122340324156.

The previous prime is 122340324091. The next prime is 122340324209. The reversal of 122340324157 is 751423043221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100510557156 + 21829767001 = 317034^2 + 147749^2 .

It is an emirp because it is prime and its reverse (751423043221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122340324157 - 2¹¹ = 122340322109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122340322157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61170162078 + 61170162079.

It is an arithmetic number, because the mean of its divisors is an integer number (61170162079).

Almost surely, 2^122340324157 is an apocalyptic number.

It is an amenable number.

122340324157 is a deficient number, since it is larger than the sum of its proper divisors (1).

122340324157 is an equidigital number, since it uses as much as digits as its factorization.

122340324157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 122340324157 its reverse (751423043221), we get a palindrome (873763367378).

The spelling of 122340324157 in words is "one hundred twenty-two billion, three hundred forty million, three hundred twenty-four thousand, one hundred fifty-seven".