125167017 has 4 divisors (see below), whose sum is σ = 166889360. Its totient is φ = 83444676.

The previous prime is 125167013. The next prime is 125167027. The reversal of 125167017 is 710761521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 125167017 - 2² = 125167013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125167013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20861167 + ... + 20861172.

It is an arithmetic number, because the mean of its divisors is an integer number (41722340).

Almost surely, 2^125167017 is an apocalyptic number.

It is an amenable number.

125167017 is a deficient number, since it is larger than the sum of its proper divisors (41722343).

125167017 is an equidigital number, since it uses as much as digits as its factorization.

125167017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41722342.

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 125167017 is about 11187.8066214965. The cubic root of 125167017 is about 500.2225902258. Note that the first 3 decimals are identical.

The spelling of 125167017 in words is "one hundred twenty-five million, one hundred sixty-seven thousand, seventeen".