125433243 has 24 divisors (see below), whose sum is σ = 195537888. Its totient is φ = 77023872.

The previous prime is 125433229. The next prime is 125433251. The reversal of 125433243 is 342334521.

It is not a de Polignac number, because 125433243 - 2¹³ = 125425051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125443243) 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 23 ways as a sum of consecutive naturals, for example, 74871 + ... + 76527.

It is an arithmetic number, because the mean of its divisors is an integer number (8147412).

Almost surely, 2^125433243 is an apocalyptic number.

125433243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125433243 is a deficient number, since it is larger than the sum of its proper divisors (70104645).

125433243 is a wasteful number, since it uses less digits than its factorization.

125433243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323 (or 2320 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 125433243 is about 11199.6983441520. The cubic root of 125433243 is about 500.5769912394.

Adding to 125433243 its reverse (342334521), we get a palindrome (467767764).

The spelling of 125433243 in words is "one hundred twenty-five million, four hundred thirty-three thousand, two hundred forty-three".