122420533253 has 2 divisors, whose sum is σ = 122420533254. Its totient is φ = 122420533252.

The previous prime is 122420533247. The next prime is 122420533303. The reversal of 122420533253 is 352335024221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102811292164 + 19609241089 = 320642^2 + 140033^2 .

It is an emirp because it is prime and its reverse (352335024221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122420533253 - 2²² = 122416338949 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 (122420533243) 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, 61210266626 + 61210266627.

It is an arithmetic number, because the mean of its divisors is an integer number (61210266627).

Almost surely, 2^122420533253 is an apocalyptic number.

It is an amenable number.

122420533253 is a deficient number, since it is larger than the sum of its proper divisors (1).

122420533253 is an equidigital number, since it uses as much as digits as its factorization.

122420533253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 122420533253 its reverse (352335024221), we get a palindrome (474755557474).

The spelling of 122420533253 in words is "one hundred twenty-two billion, four hundred twenty million, five hundred thirty-three thousand, two hundred fifty-three".