125058609 has 12 divisors (see below), whose sum is σ = 194535796. Its totient is φ = 76959072.

The previous prime is 125058581. The next prime is 125058629. The reversal of 125058609 is 906850521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14745600 + 110313009 = 3840^2 + 10503^2 .

It is not a de Polignac number, because 125058609 - 2⁹ = 125058097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125058629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534322 + ... + 534555.

Almost surely, 2^125058609 is an apocalyptic number.

It is an amenable number.

125058609 is a deficient number, since it is larger than the sum of its proper divisors (69477187).

125058609 is a wasteful number, since it uses less digits than its factorization.

125058609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068896 (or 1068893 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 125058609 is about 11182.9606544957. The cubic root of 125058609 is about 500.0781331231.

The spelling of 125058609 in words is "one hundred twenty-five million, fifty-eight thousand, six hundred nine".