125944943 has 2 divisors, whose sum is σ = 125944944. Its totient is φ = 125944942.

The previous prime is 125944867. The next prime is 125944963. The reversal of 125944943 is 349449521.

It is a strong prime.

It is an emirp because it is prime and its reverse (349449521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125944943 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125944943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125944963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62972471 + 62972472.

It is an arithmetic number, because the mean of its divisors is an integer number (62972472).

Almost surely, 2^125944943 is an apocalyptic number.

125944943 is a deficient number, since it is larger than the sum of its proper divisors (1).

125944943 is an equidigital number, since it uses as much as digits as its factorization.

125944943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 125944943 is about 11222.5194586599. The cubic root of 125944943 is about 501.2567624496.

The spelling of 125944943 in words is "one hundred twenty-five million, nine hundred forty-four thousand, nine hundred forty-three".