122504243 has 2 divisors, whose sum is σ = 122504244. Its totient is φ = 122504242.

The previous prime is 122504209. The next prime is 122504251. The reversal of 122504243 is 342405221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (342405221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122504243 - 2¹⁰ = 122503219 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122504203) 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, 61252121 + 61252122.

It is an arithmetic number, because the mean of its divisors is an integer number (61252122).

Almost surely, 2^122504243 is an apocalyptic number.

122504243 is a deficient number, since it is larger than the sum of its proper divisors (1).

122504243 is an equidigital number, since it uses as much as digits as its factorization.

122504243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 122504243 is about 11068.1634881312. The cubic root of 122504243 is about 496.6499281678.

Adding to 122504243 its reverse (342405221), we get a palindrome (464909464).

The spelling of 122504243 in words is "one hundred twenty-two million, five hundred four thousand, two hundred forty-three".