125333243 has 4 divisors (see below), whose sum is σ = 143238000. Its totient is φ = 107428488.

The previous prime is 125333239. The next prime is 125333249. The reversal of 125333243 is 342333521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342333521 = 12821 ⋅26701.

It is a cyclic number.

It is not a de Polignac number, because 125333243 - 2² = 125333239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125333249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8952368 + ... + 8952381.

It is an arithmetic number, because the mean of its divisors is an integer number (35809500).

Almost surely, 2^125333243 is an apocalyptic number.

125333243 is a deficient number, since it is larger than the sum of its proper divisors (17904757).

125333243 is an equidigital number, since it uses as much as digits as its factorization.

125333243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17904756.

The product of its digits is 6480, while the sum is 26.

The square root of 125333243 is about 11195.2330480433. The cubic root of 125333243 is about 500.4439297361.

Adding to 125333243 its reverse (342333521), we get a palindrome (467666764).

The spelling of 125333243 in words is "one hundred twenty-five million, three hundred thirty-three thousand, two hundred forty-three".