125109080947 has 2 divisors, whose sum is σ = 125109080948. Its totient is φ = 125109080946.

The previous prime is 125109080909. The next prime is 125109081011. The reversal of 125109080947 is 749080901521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125109080947 - 2²⁷ = 124974863219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125109080897 and 125109080906.

It is not a weakly prime, because it can be changed into another prime (125109080347) 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, 62554540473 + 62554540474.

It is an arithmetic number, because the mean of its divisors is an integer number (62554540474).

Almost surely, 2^125109080947 is an apocalyptic number.

125109080947 is a deficient number, since it is larger than the sum of its proper divisors (1).

125109080947 is an equidigital number, since it uses as much as digits as its factorization.

125109080947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 125109080947 in words is "one hundred twenty-five billion, one hundred nine million, eighty thousand, nine hundred forty-seven".