127298320 has 20 divisors (see below), whose sum is σ = 295968780. Its totient is φ = 50919296.

The previous prime is 127298291. The next prime is 127298321. The reversal of 127298320 is 23892721.

It can be written as a sum of positive squares in 2 ways, for example, as 64064016 + 63234304 = 8004^2 + 7952^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (127298321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795535 + ... + 795694.

It is an arithmetic number, because the mean of its divisors is an integer number (14798439).

Almost surely, 2^127298320 is an apocalyptic number.

127298320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127298320 is an abundant number, since it is smaller than the sum of its proper divisors (168670460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127298320 is a wasteful number, since it uses less digits than its factorization.

127298320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591242 (or 1591236 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 127298320 is about 11282.6557157435. The cubic root of 127298320 is about 503.0458347724.

The spelling of 127298320 in words is "one hundred twenty-seven million, two hundred ninety-eight thousand, three hundred twenty".