6124749121 has 2 divisors, whose sum is σ = 6124749122. Its totient is φ = 6124749120.

The previous prime is 6124749119. The next prime is 6124749139. The reversal of 6124749121 is 1219474216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4564894096 + 1559855025 = 67564^2 + 39495^2 .

It is a cyclic number.

It is not a de Polignac number, because 6124749121 - 2¹ = 6124749119 is a prime.

Together with 6124749119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6124749101) 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, 3062374560 + 3062374561.

It is an arithmetic number, because the mean of its divisors is an integer number (3062374561).

Almost surely, 2^6124749121 is an apocalyptic number.

It is an amenable number.

6124749121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6124749121 is an equidigital number, since it uses as much as digits as its factorization.

6124749121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 6124749121 is about 78260.7763889421. The cubic root of 6124749121 is about 1829.6278739097.

The spelling of 6124749121 in words is "six billion, one hundred twenty-four million, seven hundred forty-nine thousand, one hundred twenty-one".