122945227 has 2 divisors, whose sum is σ = 122945228. Its totient is φ = 122945226.

The previous prime is 122945171. The next prime is 122945237. The reversal of 122945227 is 722549221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (722549221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122945227 - 2¹⁹ = 122420939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122945192 and 122945201.

It is not a weakly prime, because it can be changed into another prime (122945237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61472613 + 61472614.

It is an arithmetic number, because the mean of its divisors is an integer number (61472614).

Almost surely, 2^122945227 is an apocalyptic number.

122945227 is a deficient number, since it is larger than the sum of its proper divisors (1).

122945227 is an equidigital number, since it uses as much as digits as its factorization.

122945227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 122945227 is about 11088.0668738965. The cubic root of 122945227 is about 497.2451521696.

The spelling of 122945227 in words is "one hundred twenty-two million, nine hundred forty-five thousand, two hundred twenty-seven".