125047089 has 24 divisors (see below), whose sum is σ = 186786600. Its totient is φ = 80559360.

The previous prime is 125047081. The next prime is 125047103. The reversal of 125047089 is 980740521.

125047089 is a `hidden beast` number, since 1 + 2 + 504 + 70 + 89 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 166464 + 124880625 = 408^2 + 11175^2 .

It is not a de Polignac number, because 125047089 - 2³ = 125047081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125047081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38667 + ... + 41775.

It is an arithmetic number, because the mean of its divisors is an integer number (7782775).

Almost surely, 2^125047089 is an apocalyptic number.

It is an amenable number.

125047089 is a deficient number, since it is larger than the sum of its proper divisors (61739511).

125047089 is a wasteful number, since it uses less digits than its factorization.

125047089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265 (or 3262 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 125047089 is about 11182.4455733082. The cubic root of 125047089 is about 500.0627774510.

The spelling of 125047089 in words is "one hundred twenty-five million, forty-seven thousand, eighty-nine".