125115243 has 8 divisors (see below), whose sum is σ = 181985856. Its totient is φ = 75827400.

The previous prime is 125115203. The next prime is 125115253. The reversal of 125115243 is 342511521.

It is a happy number.

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

It is not a de Polignac number, because 125115243 - 2¹⁶ = 125049707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125115203) 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 7 ways as a sum of consecutive naturals, for example, 1895653 + ... + 1895718.

It is an arithmetic number, because the mean of its divisors is an integer number (22748232).

Almost surely, 2^125115243 is an apocalyptic number.

125115243 is a deficient number, since it is larger than the sum of its proper divisors (56870613).

125115243 is a wasteful number, since it uses less digits than its factorization.

125115243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791385.

The product of its digits is 1200, while the sum is 24.

The square root of 125115243 is about 11185.4925238006. The cubic root of 125115243 is about 500.1536101364.

Adding to 125115243 its reverse (342511521), we get a palindrome (467626764).

The spelling of 125115243 in words is "one hundred twenty-five million, one hundred fifteen thousand, two hundred forty-three".