124410521 has 2 divisors, whose sum is σ = 124410522. Its totient is φ = 124410520.

The previous prime is 124410509. The next prime is 124410571. The reversal of 124410521 is 125014421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121242121 + 3168400 = 11011^2 + 1780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124410521 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 124410493 and 124410502.

It is not a weakly prime, because it can be changed into another prime (124410571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62205260 + 62205261.

It is an arithmetic number, because the mean of its divisors is an integer number (62205261).

Almost surely, 2^124410521 is an apocalyptic number.

It is an amenable number.

124410521 is a deficient number, since it is larger than the sum of its proper divisors (1).

124410521 is an equidigital number, since it uses as much as digits as its factorization.

124410521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 124410521 is about 11153.9464316447. The cubic root of 124410521 is about 499.2127892489.

Adding to 124410521 its reverse (125014421), we get a palindrome (249424942).

The spelling of 124410521 in words is "one hundred twenty-four million, four hundred ten thousand, five hundred twenty-one".