125015 has 8 divisors (see below), whose sum is σ = 163728. Its totient is φ = 90880.

The previous prime is 125003. The next prime is 125017. The reversal of 125015 is 510521.

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

It is not a de Polignac number, because 125015 - 2⁶ = 124951 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 (125017) 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, 1082 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (20466).

125015 is a Friedman number, since it can be written as 50^(2+1)+15, using all its digits and the basic arithmetic operations.

2¹²⁵⁰¹⁵ is an apocalyptic number.

125015 is a deficient number, since it is larger than the sum of its proper divisors (38713).

125015 is a wasteful number, since it uses less digits than its factorization.

125015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 125015 is about 353.5746031604. The cubic root of 125015 is about 50.0019999200.

Adding to 125015 its reverse (510521), we get a palindrome (635536).

The spelling of 125015 in words is "one hundred twenty-five thousand, fifteen".