124534513 has 2 divisors, whose sum is σ = 124534514. Its totient is φ = 124534512.

The previous prime is 124534511. The next prime is 124534541. The reversal of 124534513 is 315435421.

It is an a-pointer prime, because the next prime (124534541) can be obtained adding 124534513 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123921424 + 613089 = 11132^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 124534513 - 2¹ = 124534511 is a prime.

Together with 124534511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (124534511) 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, 62267256 + 62267257.

It is an arithmetic number, because the mean of its divisors is an integer number (62267257).

Almost surely, 2^124534513 is an apocalyptic number.

It is an amenable number.

124534513 is a deficient number, since it is larger than the sum of its proper divisors (1).

124534513 is an equidigital number, since it uses as much as digits as its factorization.

124534513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 124534513 is about 11159.5032595542. The cubic root of 124534513 is about 499.3785786577.

Adding to 124534513 its reverse (315435421), we get a palindrome (439969934).

The spelling of 124534513 in words is "one hundred twenty-four million, five hundred thirty-four thousand, five hundred thirteen".