125686411 has 2 divisors, whose sum is σ = 125686412. Its totient is φ = 125686410.

The previous prime is 125686399. The next prime is 125686427. The reversal of 125686411 is 114686521.

It is a weak prime.

It is an emirp because it is prime and its reverse (114686521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125686411 - 2⁹ = 125685899 is a prime.

It is equal to p_7146880 and since 125686411 and 7146880 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (125686481) 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, 62843205 + 62843206.

It is an arithmetic number, because the mean of its divisors is an integer number (62843206).

Almost surely, 2^125686411 is an apocalyptic number.

125686411 is a deficient number, since it is larger than the sum of its proper divisors (1).

125686411 is an equidigital number, since it uses as much as digits as its factorization.

125686411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 125686411 is about 11210.9950941029. The cubic root of 125686411 is about 500.9135445229.

The spelling of 125686411 in words is "one hundred twenty-five million, six hundred eighty-six thousand, four hundred eleven".