122352172469 has 2 divisors, whose sum is σ = 122352172470. Its totient is φ = 122352172468.

The previous prime is 122352172451. The next prime is 122352172517. The reversal of 122352172469 is 964271253221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117537894244 + 4814278225 = 342838^2 + 69385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122352172469 is a prime.

It is a super-2 number, since 2×122352172469² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122352102469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61176086234 + 61176086235.

It is an arithmetic number, because the mean of its divisors is an integer number (61176086235).

Almost surely, 2^122352172469 is an apocalyptic number.

It is an amenable number.

122352172469 is a deficient number, since it is larger than the sum of its proper divisors (1).

122352172469 is an equidigital number, since it uses as much as digits as its factorization.

122352172469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The spelling of 122352172469 in words is "one hundred twenty-two billion, three hundred fifty-two million, one hundred seventy-two thousand, four hundred sixty-nine".