125165447 has 8 divisors (see below), whose sum is σ = 138582912. Its totient is φ = 112087800.

The previous prime is 125165429. The next prime is 125165449. The reversal of 125165447 is 744561521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125165447 - 2¹⁰ = 125164423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125165449) 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 7 ways as a sum of consecutive naturals, for example, 84179 + ... + 85652.

It is an arithmetic number, because the mean of its divisors is an integer number (17322864).

Almost surely, 2^125165447 is an apocalyptic number.

125165447 is a deficient number, since it is larger than the sum of its proper divisors (13417465).

125165447 is a wasteful number, since it uses less digits than its factorization.

125165447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169909.

The product of its digits is 33600, while the sum is 35.

The square root of 125165447 is about 11187.7364556017. The cubic root of 125165447 is about 500.2204987463.

The spelling of 125165447 in words is "one hundred twenty-five million, one hundred sixty-five thousand, four hundred forty-seven".