125459559 has 6 divisors (see below), whose sum is σ = 181219376. Its totient is φ = 83639700.

The previous prime is 125459557. The next prime is 125459561. The reversal of 125459559 is 955954521.

125459559 is a `hidden beast` number, since 1 + 2 + 5 + 4 + 595 + 59 = 666.

It is an interprime number because it is at equal distance from previous prime (125459557) and next prime (125459561).

It is not a de Polignac number, because 125459559 - 2¹ = 125459557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125459557) 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 in 5 ways as a sum of consecutive naturals, for example, 6969967 + ... + 6969984.

Almost surely, 2^125459559 is an apocalyptic number.

125459559 is a deficient number, since it is larger than the sum of its proper divisors (55759817).

125459559 is a wasteful number, since it uses less digits than its factorization.

125459559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13939957 (or 13939954 counting only the distinct ones).

The product of its digits is 405000, while the sum is 45.

The square root of 125459559 is about 11200.8731356087. The cubic root of 125459559 is about 500.6119959496.

It can be divided in two parts, 125 and 459559, that added together give a square (459684 = 678²).

The spelling of 125459559 in words is "one hundred twenty-five million, four hundred fifty-nine thousand, five hundred fifty-nine".