125255305 has 8 divisors (see below), whose sum is σ = 171778752. Its totient is φ = 85889328.

The previous prime is 125255293. The next prime is 125255357. The reversal of 125255305 is 503552521.

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

It is a de Polignac number, because none of the positive numbers 2^k-125255305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789327 + ... + 1789396.

It is an arithmetic number, because the mean of its divisors is an integer number (21472344).

Almost surely, 2^125255305 is an apocalyptic number.

It is an amenable number.

125255305 is a deficient number, since it is larger than the sum of its proper divisors (46523447).

125255305 is an equidigital number, since it uses as much as digits as its factorization.

125255305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578735.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 125255305 is about 11191.7516502110. The cubic root of 125255305 is about 500.3401751759.

The spelling of 125255305 in words is "one hundred twenty-five million, two hundred fifty-five thousand, three hundred five".