125071 has 4 divisors (see below), whose sum is σ = 125944. Its totient is φ = 124200.

The previous prime is 125063. The next prime is 125093. The reversal of 125071 is 170521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 125071 - 2³ = 125063 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125071.

It is not an unprimeable number, because it can be changed into a prime (125371) 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, 165 + ... + 526.

It is an arithmetic number, because the mean of its divisors is an integer number (31486).

125071 is a Friedman number, since it can be written as 71+50^(2+1), using all its digits and the basic arithmetic operations.

2¹²⁵⁰⁷¹ is an apocalyptic number.

125071 is a deficient number, since it is larger than the sum of its proper divisors (873).

125071 is an equidigital number, since it uses as much as digits as its factorization.

125071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 125071 is about 353.6537855021. The cubic root of 125071 is about 50.0094648749.

Adding to 125071 its reverse (170521), we get a palindrome (295592).

The spelling of 125071 in words is "one hundred twenty-five thousand, seventy-one".