125828517 has 8 divisors (see below), whose sum is σ = 167881824. Its totient is φ = 83830448.

The previous prime is 125828489. The next prime is 125828539. The reversal of 125828517 is 715828521.

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 125828517 - 2⁷ = 125828389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125828617) 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, 8163 + ... + 17840.

It is an arithmetic number, because the mean of its divisors is an integer number (20985228).

Almost surely, 2^125828517 is an apocalyptic number.

It is an amenable number.

125828517 is a deficient number, since it is larger than the sum of its proper divisors (42053307).

125828517 is a wasteful number, since it uses less digits than its factorization.

125828517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27619.

The product of its digits is 44800, while the sum is 39.

The square root of 125828517 is about 11217.3310996868. The cubic root of 125828517 is about 501.1022576041.

The spelling of 125828517 in words is "one hundred twenty-five million, eight hundred twenty-eight thousand, five hundred seventeen".