125928163 has 4 divisors (see below), whose sum is σ = 133335720. Its totient is φ = 118520608.

The previous prime is 125928149. The next prime is 125928167. The reversal of 125928163 is 361829521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125928163 - 2¹³ = 125919971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125928167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3703753 + ... + 3703786.

It is an arithmetic number, because the mean of its divisors is an integer number (33333930).

Almost surely, 2^125928163 is an apocalyptic number.

125928163 is a deficient number, since it is larger than the sum of its proper divisors (7407557).

125928163 is an equidigital number, since it uses as much as digits as its factorization.

125928163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407556.

The product of its digits is 25920, while the sum is 37.

The square root of 125928163 is about 11221.7718297959. The cubic root of 125928163 is about 501.2345001768.

The spelling of 125928163 in words is "one hundred twenty-five million, nine hundred twenty-eight thousand, one hundred sixty-three".