125730443 has 4 divisors (see below), whose sum is σ = 131197008. Its totient is φ = 120263880.

The previous prime is 125730439. The next prime is 125730497. The reversal of 125730443 is 344037521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125730443 - 2² = 125730439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125730433) 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, 2733248 + ... + 2733293.

It is an arithmetic number, because the mean of its divisors is an integer number (32799252).

Almost surely, 2^125730443 is an apocalyptic number.

125730443 is a deficient number, since it is larger than the sum of its proper divisors (5466565).

125730443 is an equidigital number, since it uses as much as digits as its factorization.

125730443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466564.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 125730443 is about 11212.9587085657. The cubic root of 125730443 is about 500.9720330788.

Adding to 125730443 its reverse (344037521), we get a palindrome (469767964).

The spelling of 125730443 in words is "one hundred twenty-five million, seven hundred thirty thousand, four hundred forty-three".