125017 has 2 divisors, whose sum is σ = 125018. Its totient is φ = 125016.

The previous prime is 125003. The next prime is 125029. The reversal of 125017 is 710521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76176 + 48841 = 276^2 + 221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125017 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (125117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62508 + 62509.

It is an arithmetic number, because the mean of its divisors is an integer number (62509).

125017 is a Friedman number, since it can be written as 50^(2+1)+17, using all its digits and the basic arithmetic operations.

2¹²⁵⁰¹⁷ is an apocalyptic number.

It is an amenable number.

125017 is a deficient number, since it is larger than the sum of its proper divisors (1).

125017 is an equidigital number, since it uses as much as digits as its factorization.

125017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 125017 is about 353.5774314065. The cubic root of 125017 is about 50.0022665639.

Adding to 125017 its reverse (710521), we get a palindrome (835538).

The spelling of 125017 in words is "one hundred twenty-five thousand, seventeen".