125703786847 has 4 divisors (see below), whose sum is σ = 125711374600. Its totient is φ = 125696199096.

The previous prime is 125703786829. The next prime is 125703786853. The reversal of 125703786847 is 748687307521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 748687307521 = 94099 ⋅7956379.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125703786847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125703786791 and 125703786800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125703786547) 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 in 3 ways as a sum of consecutive naturals, for example, 3768972 + ... + 3802177.

It is an arithmetic number, because the mean of its divisors is an integer number (31427843650).

Almost surely, 2^125703786847 is an apocalyptic number.

125703786847 is a deficient number, since it is larger than the sum of its proper divisors (7587753).

125703786847 is an equidigital number, since it uses as much as digits as its factorization.

125703786847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587752.

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 125703786847 in words is "one hundred twenty-five billion, seven hundred three million, seven hundred eighty-six thousand, eight hundred forty-seven".