122533153121 has 4 divisors (see below), whose sum is σ = 122535431700. Its totient is φ = 122530874544.

The previous prime is 122533153081. The next prime is 122533153123. The reversal of 122533153121 is 121351335221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62145005521 + 60388147600 = 249289^2 + 245740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122533153121 is a prime.

It is a super-2 number, since 2×122533153121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122533153123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056626 + ... + 1166843.

It is an arithmetic number, because the mean of its divisors is an integer number (30633857925).

Almost surely, 2^122533153121 is an apocalyptic number.

It is an amenable number.

122533153121 is a deficient number, since it is larger than the sum of its proper divisors (2278579).

122533153121 is an equidigital number, since it uses as much as digits as its factorization.

122533153121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278578.

The product of its digits is 5400, while the sum is 29.

Adding to 122533153121 its reverse (121351335221), we get a palindrome (243884488342).

The spelling of 122533153121 in words is "one hundred twenty-two billion, five hundred thirty-three million, one hundred fifty-three thousand, one hundred twenty-one".