125728343 has 8 divisors (see below), whose sum is σ = 139767936. Its totient is φ = 112312800.

The previous prime is 125728333. The next prime is 125728357. The reversal of 125728343 is 343827521.

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

It is a cyclic number.

It is not a de Polignac number, because 125728343 - 2⁶ = 125728279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125728333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155588 + ... + 156393.

It is an arithmetic number, because the mean of its divisors is an integer number (17470992).

Almost surely, 2^125728343 is an apocalyptic number.

125728343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125728343 is a deficient number, since it is larger than the sum of its proper divisors (14039593).

125728343 is a wasteful number, since it uses less digits than its factorization.

125728343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312025.

The product of its digits is 40320, while the sum is 35.

The square root of 125728343 is about 11212.8650665207. The cubic root of 125728343 is about 500.9692439184.

The spelling of 125728343 in words is "one hundred twenty-five million, seven hundred twenty-eight thousand, three hundred forty-three".