125106249 has 8 divisors (see below), whose sum is σ = 167832352. Its totient is φ = 82892160.

The previous prime is 125106199. The next prime is 125106253. The reversal of 125106249 is 942601521.

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

It is not a de Polignac number, because 125106249 - 2²⁰ = 124057673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125106259) 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, 127432 + ... + 128409.

It is an arithmetic number, because the mean of its divisors is an integer number (20979044).

Almost surely, 2^125106249 is an apocalyptic number.

It is an amenable number.

125106249 is a deficient number, since it is larger than the sum of its proper divisors (42726103).

125106249 is a wasteful number, since it uses less digits than its factorization.

125106249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256007.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 125106249 is about 11185.0904779532. The cubic root of 125106249 is about 500.1416252141.

The spelling of 125106249 in words is "one hundred twenty-five million, one hundred six thousand, two hundred forty-nine".