125430659 has 4 divisors (see below), whose sum is σ = 127197360. Its totient is φ = 123663960.

The previous prime is 125430623. The next prime is 125430667. The reversal of 125430659 is 956034521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125430659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125430059) 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 3 ways as a sum of consecutive naturals, for example, 883244 + ... + 883385.

It is an arithmetic number, because the mean of its divisors is an integer number (31799340).

Almost surely, 2^125430659 is an apocalyptic number.

125430659 is a deficient number, since it is larger than the sum of its proper divisors (1766701).

125430659 is an equidigital number, since it uses as much as digits as its factorization.

125430659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766700.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 125430659 is about 11199.5829833079. The cubic root of 125430659 is about 500.5735538205.

It can be divided in two parts, 1254 and 30659, that added together give a palindrome (31913).

The spelling of 125430659 in words is "one hundred twenty-five million, four hundred thirty thousand, six hundred fifty-nine".