125532689 has 8 divisors (see below), whose sum is σ = 131950080. Its totient is φ = 119195296.

The previous prime is 125532683. The next prime is 125532691. The reversal of 125532689 is 986235521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125532689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125532683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16769 + ... + 23070.

It is an arithmetic number, because the mean of its divisors is an integer number (16493760).

Almost surely, 2^125532689 is an apocalyptic number.

It is an amenable number.

125532689 is a deficient number, since it is larger than the sum of its proper divisors (6417391).

125532689 is a wasteful number, since it uses less digits than its factorization.

125532689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39999.

The product of its digits is 129600, while the sum is 41.

The square root of 125532689 is about 11204.1371376827. The cubic root of 125532689 is about 500.7092454660.

The spelling of 125532689 in words is "one hundred twenty-five million, five hundred thirty-two thousand, six hundred eighty-nine".