125944843 has 2 divisors, whose sum is σ = 125944844. Its totient is φ = 125944842.

The previous prime is 125944837. The next prime is 125944859. The reversal of 125944843 is 348449521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125944843 - 2²⁵ = 92390411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125944796 and 125944805.

It is not a weakly prime, because it can be changed into another prime (125944943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62972421 + 62972422.

It is an arithmetic number, because the mean of its divisors is an integer number (62972422).

Almost surely, 2^125944843 is an apocalyptic number.

125944843 is a deficient number, since it is larger than the sum of its proper divisors (1).

125944843 is an equidigital number, since it uses as much as digits as its factorization.

125944843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The square root of 125944843 is about 11222.5150033315. The cubic root of 125944843 is about 501.2566297840.

The spelling of 125944843 in words is "one hundred twenty-five million, nine hundred forty-four thousand, eight hundred forty-three".