125109112 has 32 divisors (see below), whose sum is σ = 240782400. Its totient is φ = 60914304.

The previous prime is 125109077. The next prime is 125109113. The reversal of 125109112 is 211901521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125109113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85378 + ... + 86830.

It is an arithmetic number, because the mean of its divisors is an integer number (7524450).

Almost surely, 2^125109112 is an apocalyptic number.

It is an amenable number.

125109112 is a deficient number, since it is larger than the sum of its proper divisors (115673288).

125109112 is a wasteful number, since it uses less digits than its factorization.

125109112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 125109112 is about 11185.2184600928. The cubic root of 125109112 is about 500.1454403568.

The spelling of 125109112 in words is "one hundred twenty-five million, one hundred nine thousand, one hundred twelve".