125908647 has 16 divisors (see below), whose sum is σ = 185483520. Its totient is φ = 75565952.

The previous prime is 125908637. The next prime is 125908667. The reversal of 125908647 is 746809521.

It is not a de Polignac number, because 125908647 - 2¹⁹ = 125384359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125908599 and 125908608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125908637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52497 + ... + 54842.

It is an arithmetic number, because the mean of its divisors is an integer number (11592720).

Almost surely, 2^125908647 is an apocalyptic number.

125908647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125908647 is a deficient number, since it is larger than the sum of its proper divisors (59574873).

125908647 is a wasteful number, since it uses less digits than its factorization.

125908647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107382.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 125908647 is about 11220.9022364514. The cubic root of 125908647 is about 501.2086055248.

The spelling of 125908647 in words is "one hundred twenty-five million, nine hundred eight thousand, six hundred forty-seven".