125545133 has 16 divisors (see below), whose sum is σ = 149520384. Its totient is φ = 103146480.

The previous prime is 125545129. The next prime is 125545139. The reversal of 125545133 is 331545521.

It is a cyclic number.

It is not a de Polignac number, because 125545133 - 2² = 125545129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125545096 and 125545105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125545139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20516 + ... + 25922.

It is an arithmetic number, because the mean of its divisors is an integer number (9345024).

Almost surely, 2^125545133 is an apocalyptic number.

It is an amenable number.

125545133 is a deficient number, since it is larger than the sum of its proper divisors (23975251).

125545133 is a wasteful number, since it uses less digits than its factorization.

125545133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552.

The product of its digits is 9000, while the sum is 29.

The square root of 125545133 is about 11204.6924545032. The cubic root of 125545133 is about 500.7257899481.

The spelling of 125545133 in words is "one hundred twenty-five million, five hundred forty-five thousand, one hundred thirty-three".