125915443 has 2 divisors, whose sum is σ = 125915444. Its totient is φ = 125915442.

The previous prime is 125915441. The next prime is 125915479. The reversal of 125915443 is 344519521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125915443 - 2¹ = 125915441 is a prime.

Together with 125915441, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 125915399 and 125915408.

It is not a weakly prime, because it can be changed into another prime (125915441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62957721 + 62957722.

It is an arithmetic number, because the mean of its divisors is an integer number (62957722).

Almost surely, 2^125915443 is an apocalyptic number.

125915443 is a deficient number, since it is larger than the sum of its proper divisors (1).

125915443 is an equidigital number, since it uses as much as digits as its factorization.

125915443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 125915443 is about 11221.2050600637. The cubic root of 125915443 is about 501.2176230479.

The spelling of 125915443 in words is "one hundred twenty-five million, nine hundred fifteen thousand, four hundred forty-three".