124145017 has 2 divisors, whose sum is σ = 124145018. Its totient is φ = 124145016.

The previous prime is 124145011. The next prime is 124145023. The reversal of 124145017 is 710541421.

It is a balanced prime because it is at equal distance from previous prime (124145011) and next prime (124145023).

It can be written as a sum of positive squares in only one way, i.e., 98783721 + 25361296 = 9939^2 + 5036^2 .

It is a cyclic number.

It is not a de Polignac number, because 124145017 - 2¹¹ = 124142969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124144982 and 124145000.

It is not a weakly prime, because it can be changed into another prime (124145011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62072508 + 62072509.

It is an arithmetic number, because the mean of its divisors is an integer number (62072509).

Almost surely, 2^124145017 is an apocalyptic number.

It is an amenable number.

124145017 is a deficient number, since it is larger than the sum of its proper divisors (1).

124145017 is an equidigital number, since it uses as much as digits as its factorization.

124145017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 124145017 is about 11142.0382785198. The cubic root of 124145017 is about 498.8574136484.

Adding to 124145017 its reverse (710541421), we get a palindrome (834686438).

The spelling of 124145017 in words is "one hundred twenty-four million, one hundred forty-five thousand, seventeen".