122845253 has 2 divisors, whose sum is σ = 122845254. Its totient is φ = 122845252.

The previous prime is 122845249. The next prime is 122845271. The reversal of 122845253 is 352548221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104509729 + 18335524 = 10223^2 + 4282^2 .

It is an emirp because it is prime and its reverse (352548221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122845253 - 2² = 122845249 is a prime.

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 (122845223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61422626 + 61422627.

It is an arithmetic number, because the mean of its divisors is an integer number (61422627).

Almost surely, 2^122845253 is an apocalyptic number.

It is an amenable number.

122845253 is a deficient number, since it is larger than the sum of its proper divisors (1).

122845253 is an equidigital number, since it uses as much as digits as its factorization.

122845253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 32.

The square root of 122845253 is about 11083.5577771761. The cubic root of 122845253 is about 497.1103358545.

The spelling of 122845253 in words is "one hundred twenty-two million, eight hundred forty-five thousand, two hundred fifty-three".