125908049 has 8 divisors (see below), whose sum is σ = 131704512. Its totient is φ = 120138480.

The previous prime is 125908043. The next prime is 125908051. The reversal of 125908049 is 940809521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125908049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125908043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3182 + ... + 16184.

It is an arithmetic number, because the mean of its divisors is an integer number (16463064).

Almost surely, 2^125908049 is an apocalyptic number.

It is an amenable number.

125908049 is a deficient number, since it is larger than the sum of its proper divisors (5796463).

125908049 is a wasteful number, since it uses less digits than its factorization.

125908049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13447.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 125908049 is about 11220.8755897212. The cubic root of 125908049 is about 501.2078120309.

The spelling of 125908049 in words is "one hundred twenty-five million, nine hundred eight thousand, forty-nine".