122312273 has 2 divisors, whose sum is σ = 122312274. Its totient is φ = 122312272.

The previous prime is 122312261. The next prime is 122312299. The reversal of 122312273 is 372213221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62837329 + 59474944 = 7927^2 + 7712^2 .

It is a cyclic number.

It is not a de Polignac number, because 122312273 - 2¹² = 122308177 is a prime.

It is not a weakly prime, because it can be changed into another prime (122312213) 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, 61156136 + 61156137.

It is an arithmetic number, because the mean of its divisors is an integer number (61156137).

Almost surely, 2^122312273 is an apocalyptic number.

It is an amenable number.

122312273 is a deficient number, since it is larger than the sum of its proper divisors (1).

122312273 is an equidigital number, since it uses as much as digits as its factorization.

122312273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 122312273 is about 11059.4879176208. The cubic root of 122312273 is about 496.3903678197.

Adding to 122312273 its reverse (372213221), we get a palindrome (494525494).

The spelling of 122312273 in words is "one hundred twenty-two million, three hundred twelve thousand, two hundred seventy-three".