127545129 has 12 divisors (see below), whose sum is σ = 190175232. Its totient is φ = 82287000.

The previous prime is 127545127. The next prime is 127545133. The reversal of 127545129 is 921545721.

It is not a de Polignac number, because 127545129 - 2¹ = 127545127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127545093 and 127545102.

It is not an unprimeable number, because it can be changed into a prime (127545127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228297 + ... + 228854.

It is an arithmetic number, because the mean of its divisors is an integer number (15847936).

Almost surely, 2^127545129 is an apocalyptic number.

It is an amenable number.

127545129 is a deficient number, since it is larger than the sum of its proper divisors (62630103).

127545129 is a wasteful number, since it uses less digits than its factorization.

127545129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457188 (or 457185 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 127545129 is about 11293.5879595459. The cubic root of 127545129 is about 503.3707306200.

The spelling of 127545129 in words is "one hundred twenty-seven million, five hundred forty-five thousand, one hundred twenty-nine".