127232865 has 12 divisors (see below), whose sum is σ = 220537044. Its totient is φ = 67857504.

The previous prime is 127232843. The next prime is 127232867. The reversal of 127232865 is 568232721.

127232865 is a `hidden beast` number, since 1 + 272 + 328 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 65028096 + 62204769 = 8064^2 + 7887^2 .

It is not a de Polignac number, because 127232865 - 2⁶ = 127232801 is a prime.

It is a super-2 number, since 2×127232865² = 32376403872216450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127232867) 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, 1413654 + ... + 1413743.

It is an arithmetic number, because the mean of its divisors is an integer number (18378087).

Almost surely, 2^127232865 is an apocalyptic number.

127232865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127232865 is a deficient number, since it is larger than the sum of its proper divisors (93304179).

127232865 is a wasteful number, since it uses less digits than its factorization.

127232865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827408 (or 2827405 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 127232865 is about 11279.7546515871. The cubic root of 127232865 is about 502.9596003003.

The spelling of 127232865 in words is "one hundred twenty-seven million, two hundred thirty-two thousand, eight hundred sixty-five".