122152545469 has 2 divisors, whose sum is σ = 122152545470. Its totient is φ = 122152545468.

The previous prime is 122152545413. The next prime is 122152545481. The reversal of 122152545469 is 964545251221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96540704100 + 25611841369 = 310710^2 + 160037^2 .

It is a cyclic number.

It is not a de Polignac number, because 122152545469 - 2²¹ = 122150448317 is a prime.

It is a super-2 number, since 2×122152545469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122152545269) 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, 61076272734 + 61076272735.

It is an arithmetic number, because the mean of its divisors is an integer number (61076272735).

Almost surely, 2^122152545469 is an apocalyptic number.

It is an amenable number.

122152545469 is a deficient number, since it is larger than the sum of its proper divisors (1).

122152545469 is an equidigital number, since it uses as much as digits as its factorization.

122152545469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 46.

The spelling of 122152545469 in words is "one hundred twenty-two billion, one hundred fifty-two million, five hundred forty-five thousand, four hundred sixty-nine".