125225017 has 2 divisors, whose sum is σ = 125225018. Its totient is φ = 125225016.

The previous prime is 125224997. The next prime is 125225059. The reversal of 125225017 is 710522521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98485776 + 26739241 = 9924^2 + 5171^2 .

It is an emirp because it is prime and its reverse (710522521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125225017 - 2⁷ = 125224889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125224982 and 125225000.

It is not a weakly prime, because it can be changed into another prime (125235017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62612508 + 62612509.

It is an arithmetic number, because the mean of its divisors is an integer number (62612509).

Almost surely, 2^125225017 is an apocalyptic number.

It is an amenable number.

125225017 is a deficient number, since it is larger than the sum of its proper divisors (1).

125225017 is an equidigital number, since it uses as much as digits as its factorization.

125225017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 125225017 is about 11190.3984290105. The cubic root of 125225017 is about 500.2998428193.

Adding to 125225017 its reverse (710522521), we get a palindrome (835747538).

The spelling of 125225017 in words is "one hundred twenty-five million, two hundred twenty-five thousand, seventeen".