122504321 has 2 divisors, whose sum is σ = 122504322. Its totient is φ = 122504320.

The previous prime is 122504311. The next prime is 122504357. The reversal of 122504321 is 123405221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89038096 + 33466225 = 9436^2 + 5785^2 .

It is a cyclic number.

It is not a de Polignac number, because 122504321 - 2¹⁸ = 122242177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122504293 and 122504302.

It is not a weakly prime, because it can be changed into another prime (122504311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61252160 + 61252161.

It is an arithmetic number, because the mean of its divisors is an integer number (61252161).

Almost surely, 2^122504321 is an apocalyptic number.

It is an amenable number.

122504321 is a deficient number, since it is larger than the sum of its proper divisors (1).

122504321 is an equidigital number, since it uses as much as digits as its factorization.

122504321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 122504321 is about 11068.1670117504. The cubic root of 122504321 is about 496.6500335756.

Adding to 122504321 its reverse (123405221), we get a palindrome (245909542).

The spelling of 122504321 in words is "one hundred twenty-two million, five hundred four thousand, three hundred twenty-one".