135122125 has 32 divisors (see below), whose sum is σ = 180221184. Its totient is φ = 100900800.

The previous prime is 135122093. The next prime is 135122131. The reversal of 135122125 is 521221531.

It is not a de Polignac number, because 135122125 - 2⁵ = 135122093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135122096 and 135122105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123079 + ... + 124171.

It is an arithmetic number, because the mean of its divisors is an integer number (5631912).

Almost surely, 2^135122125 is an apocalyptic number.

It is an amenable number.

135122125 is a deficient number, since it is larger than the sum of its proper divisors (45099059).

135122125 is a wasteful number, since it uses less digits than its factorization.

135122125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1164 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 135122125 is about 11624.2042738417. The cubic root of 135122125 is about 513.1474268716.

Adding to 135122125 its reverse (521221531), we get a palindrome (656343656).

The spelling of 135122125 in words is "one hundred thirty-five million, one hundred twenty-two thousand, one hundred twenty-five".