127082989 has 8 divisors (see below), whose sum is σ = 138718368. Its totient is φ = 115461360.

The previous prime is 127082983. The next prime is 127082993. The reversal of 127082989 is 989280721.

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

It is a cyclic number.

It is not a de Polignac number, because 127082989 - 2⁷ = 127082861 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 (127082983) 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, 30574 + ... + 34480.

It is an arithmetic number, because the mean of its divisors is an integer number (17339796).

Almost surely, 2^127082989 is an apocalyptic number.

It is an amenable number.

127082989 is a deficient number, since it is larger than the sum of its proper divisors (11635379).

127082989 is a wasteful number, since it uses less digits than its factorization.

127082989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 127082989 is about 11273.1091097354. The cubic root of 127082989 is about 502.7620329202.

The spelling of 127082989 in words is "one hundred twenty-seven million, eighty-two thousand, nine hundred eighty-nine".