125819927 has 2 divisors, whose sum is σ = 125819928. Its totient is φ = 125819926.

The previous prime is 125819891. The next prime is 125819983. The reversal of 125819927 is 729918521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (729918521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125819927 - 2⁸ = 125819671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125819527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62909963 + 62909964.

It is an arithmetic number, because the mean of its divisors is an integer number (62909964).

Almost surely, 2^125819927 is an apocalyptic number.

125819927 is a deficient number, since it is larger than the sum of its proper divisors (1).

125819927 is an equidigital number, since it uses as much as digits as its factorization.

125819927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 44.

The square root of 125819927 is about 11216.9482034999. The cubic root of 125819927 is about 501.0908543428.

The spelling of 125819927 in words is "one hundred twenty-five million, eight hundred nineteen thousand, nine hundred twenty-seven".