122152545269 has 2 divisors, whose sum is σ = 122152545270. Its totient is φ = 122152545268.

The previous prime is 122152545253. The next prime is 122152545271. The reversal of 122152545269 is 962545251221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103510192900 + 18642352369 = 321730^2 + 136537^2 .

It is a cyclic number.

It is not a de Polignac number, because 122152545269 - 2⁴ = 122152545253 is a prime.

It is a super-2 number, since 2×122152545269² (a number of 23 digits) contains 22 as substring.

Together with 122152545271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122152545209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61076272634 + 61076272635.

It is an arithmetic number, because the mean of its divisors is an integer number (61076272635).

Almost surely, 2^122152545269 is an apocalyptic number.

It is an amenable number.

122152545269 is a deficient number, since it is larger than the sum of its proper divisors (1).

122152545269 is an equidigital number, since it uses as much as digits as its factorization.

122152545269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 44.

The spelling of 122152545269 in words is "one hundred twenty-two billion, one hundred fifty-two million, five hundred forty-five thousand, two hundred sixty-nine".