125013443 has 2 divisors, whose sum is σ = 125013444. Its totient is φ = 125013442.

The previous prime is 125013439. The next prime is 125013451. The reversal of 125013443 is 344310521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125013443 - 2² = 125013439 is a prime.

It is equal to p_7110860 and since 125013443 and 7110860 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (125013043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62506721 + 62506722.

It is an arithmetic number, because the mean of its divisors is an integer number (62506722).

Almost surely, 2^125013443 is an apocalyptic number.

125013443 is a deficient number, since it is larger than the sum of its proper divisors (1).

125013443 is an equidigital number, since it uses as much as digits as its factorization.

125013443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 125013443 is about 11180.9410605727. The cubic root of 125013443 is about 500.0179233575.

Adding to 125013443 its reverse (344310521), we get a palindrome (469323964).

The spelling of 125013443 in words is "one hundred twenty-five million, thirteen thousand, four hundred forty-three".