125859847 has 2 divisors, whose sum is σ = 125859848. Its totient is φ = 125859846.

The previous prime is 125859827. The next prime is 125859871. The reversal of 125859847 is 748958521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125859847 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 125859847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125859817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62929923 + 62929924.

It is an arithmetic number, because the mean of its divisors is an integer number (62929924).

Almost surely, 2^125859847 is an apocalyptic number.

125859847 is a deficient number, since it is larger than the sum of its proper divisors (1).

125859847 is an equidigital number, since it uses as much as digits as its factorization.

125859847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 49.

The square root of 125859847 is about 11218.7275125123. The cubic root of 125859847 is about 501.1438439134.

The spelling of 125859847 in words is "one hundred twenty-five million, eight hundred fifty-nine thousand, eight hundred forty-seven".