125425439 has 8 divisors (see below), whose sum is σ = 132943680. Its totient is φ = 117922816.

The previous prime is 125425429. The next prime is 125425451. The reversal of 125425439 is 934524521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125425439 - 2⁴ = 125425423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125425399 and 125425408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125425429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15407 + ... + 22095.

It is an arithmetic number, because the mean of its divisors is an integer number (16617960).

Almost surely, 2^125425439 is an apocalyptic number.

125425439 is a deficient number, since it is larger than the sum of its proper divisors (7518241).

125425439 is a wasteful number, since it uses less digits than its factorization.

125425439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7809.

The product of its digits is 43200, while the sum is 35.

The square root of 125425439 is about 11199.3499364918. The cubic root of 125425439 is about 500.5666096644.

The spelling of 125425439 in words is "one hundred twenty-five million, four hundred twenty-five thousand, four hundred thirty-nine".