125111133 has 72 divisors (see below), whose sum is σ = 225338880. Its totient is φ = 65378880.

The previous prime is 125111117. The next prime is 125111137. The reversal of 125111133 is 331111521.

It is not a de Polignac number, because 125111133 - 2⁴ = 125111117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125111137) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2661916 + ... + 2661962.

Almost surely, 2^125111133 is an apocalyptic number.

It is an amenable number.

125111133 is a deficient number, since it is larger than the sum of its proper divisors (100227747).

125111133 is a wasteful number, since it uses less digits than its factorization.

125111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 117 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 125111133 is about 11185.3088021744. The cubic root of 125111133 is about 500.1481334420.

Adding to 125111133 its reverse (331111521), we get a palindrome (456222654).

The spelling of 125111133 in words is "one hundred twenty-five million, one hundred eleven thousand, one hundred thirty-three".