125133243 has 24 divisors (see below), whose sum is σ = 179116080. Its totient is φ = 77683200.

The previous prime is 125133233. The next prime is 125133251. The reversal of 125133243 is 342331521.

It is a de Polignac number, because none of the positive numbers 2^k-125133243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125133233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86853 + ... + 88281.

It is an arithmetic number, because the mean of its divisors is an integer number (7463170).

Almost surely, 2^125133243 is an apocalyptic number.

125133243 is a deficient number, since it is larger than the sum of its proper divisors (53982837).

125133243 is a wasteful number, since it uses less digits than its factorization.

125133243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567 (or 1550 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 125133243 is about 11186.2971085163. The cubic root of 125133243 is about 500.1775942464.

Adding to 125133243 its reverse (342331521), we get a palindrome (467464764).

The spelling of 125133243 in words is "one hundred twenty-five million, one hundred thirty-three thousand, two hundred forty-three".