6123115121 has 2 divisors, whose sum is σ = 6123115122. Its totient is φ = 6123115120.

The previous prime is 6123115079. The next prime is 6123115169. The reversal of 6123115121 is 1215113216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3095364496 + 3027750625 = 55636^2 + 55025^2 .

It is a cyclic number.

It is not a de Polignac number, because 6123115121 - 2²² = 6118920817 is a prime.

It is not a weakly prime, because it can be changed into another prime (6123115181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3061557560 + 3061557561.

It is an arithmetic number, because the mean of its divisors is an integer number (3061557561).

Almost surely, 2^6123115121 is an apocalyptic number.

It is an amenable number.

6123115121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6123115121 is an equidigital number, since it uses as much as digits as its factorization.

6123115121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 23.

The square root of 6123115121 is about 78250.3362356993. The cubic root of 6123115121 is about 1829.4651528039.

Adding to 6123115121 its reverse (1215113216), we get a palindrome (7338228337).

The spelling of 6123115121 in words is "six billion, one hundred twenty-three million, one hundred fifteen thousand, one hundred twenty-one".