125305443 has 12 divisors (see below), whose sum is σ = 181937080. Its totient is φ = 83102976.

The previous prime is 125305423. The next prime is 125305447. The reversal of 125305443 is 344503521.

It is not a de Polignac number, because 125305443 - 2¹³ = 125297251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125305447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34333 + ... + 37806.

Almost surely, 2^125305443 is an apocalyptic number.

125305443 is a deficient number, since it is larger than the sum of its proper divisors (56631637).

125305443 is a wasteful number, since it uses less digits than its factorization.

125305443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72338 (or 72335 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 125305443 is about 11193.9913793070. The cubic root of 125305443 is about 500.4069260658.

Adding to 125305443 its reverse (344503521), we get a palindrome (469808964).

The spelling of 125305443 in words is "one hundred twenty-five million, three hundred five thousand, four hundred forty-three".