125425843 has 2 divisors, whose sum is σ = 125425844. Its totient is φ = 125425842.

The previous prime is 125425789. The next prime is 125425889. The reversal of 125425843 is 348524521.

It is a strong prime.

It is an emirp because it is prime and its reverse (348524521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125425843 - 2²⁵ = 91871411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125425799 and 125425808.

It is not a weakly prime, because it can be changed into another prime (125425043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62712921 + 62712922.

It is an arithmetic number, because the mean of its divisors is an integer number (62712922).

Almost surely, 2^125425843 is an apocalyptic number.

125425843 is a deficient number, since it is larger than the sum of its proper divisors (1).

125425843 is an equidigital number, since it uses as much as digits as its factorization.

125425843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 34.

The square root of 125425843 is about 11199.3679732385. The cubic root of 125425843 is about 500.5671471117.

The spelling of 125425843 in words is "one hundred twenty-five million, four hundred twenty-five thousand, eight hundred forty-three".