124516961 has 2 divisors, whose sum is σ = 124516962. Its totient is φ = 124516960.

The previous prime is 124516957. The next prime is 124516969. The reversal of 124516961 is 169615421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122323600 + 2193361 = 11060^2 + 1481^2 .

It is a cyclic number.

It is not a de Polignac number, because 124516961 - 2² = 124516957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (124516969) 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 as a sum of consecutive naturals, namely, 62258480 + 62258481.

It is an arithmetic number, because the mean of its divisors is an integer number (62258481).

Almost surely, 2^124516961 is an apocalyptic number.

It is an amenable number.

124516961 is a deficient number, since it is larger than the sum of its proper divisors (1).

124516961 is an equidigital number, since it uses as much as digits as its factorization.

124516961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 124516961 is about 11158.7168169104. The cubic root of 124516961 is about 499.3551166084.

The spelling of 124516961 in words is "one hundred twenty-four million, five hundred sixteen thousand, nine hundred sixty-one".