127135525 has 12 divisors (see below), whose sum is σ = 171980064. Its totient is φ = 92462000.

The previous prime is 127135523. The next prime is 127135531. The reversal of 127135525 is 525531721.

It is not a de Polignac number, because 127135525 - 2¹ = 127135523 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 (127135523) 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 11 ways as a sum of consecutive naturals, for example, 230881 + ... + 231430.

It is an arithmetic number, because the mean of its divisors is an integer number (14331672).

Almost surely, 2^127135525 is an apocalyptic number.

It is an amenable number.

127135525 is a deficient number, since it is larger than the sum of its proper divisors (44844539).

127135525 is a wasteful number, since it uses less digits than its factorization.

127135525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462332 (or 462327 counting only the distinct ones).

The product of its digits is 10500, while the sum is 31.

The square root of 127135525 is about 11275.4390158432. The cubic root of 127135525 is about 502.8313038417.

The spelling of 127135525 in words is "one hundred twenty-seven million, one hundred thirty-five thousand, five hundred twenty-five".