125000917 has 2 divisors, whose sum is σ = 125000918. Its totient is φ = 125000916.

The previous prime is 125000899. The next prime is 125000921. The reversal of 125000917 is 719000521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79316836 + 45684081 = 8906^2 + 6759^2 .

It is a cyclic number.

It is not a de Polignac number, because 125000917 - 2⁷ = 125000789 is a prime.

It is equal to p_7110187 and since 125000917 and 7110187 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 125000891 and 125000900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125000927) 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, 62500458 + 62500459.

It is an arithmetic number, because the mean of its divisors is an integer number (62500459).

Almost surely, 2^125000917 is an apocalyptic number.

It is an amenable number.

125000917 is a deficient number, since it is larger than the sum of its proper divisors (1).

125000917 is an equidigital number, since it uses as much as digits as its factorization.

125000917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 125000917 is about 11180.3808969104. The cubic root of 125000917 is about 500.0012226637.

The spelling of 125000917 in words is "one hundred twenty-five million, nine hundred seventeen", and thus it is an aban number.