127940 has 12 divisors (see below), whose sum is σ = 268716. Its totient is φ = 51168.

The previous prime is 127931. The next prime is 127951. The reversal of 127940 is 49721.

It can be written as a sum of positive squares in 2 ways, for example, as 16384 + 111556 = 128^2 + 334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3179 + ... + 3218.

It is an arithmetic number, because the mean of its divisors is an integer number (22393).

2¹²⁷⁹⁴⁰ is an apocalyptic number.

127940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127940 is an abundant number, since it is smaller than the sum of its proper divisors (140776).

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

127940 is a wasteful number, since it uses less digits than its factorization.

127940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6406 (or 6404 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 127940 is about 357.6870140220. The cubic root of 127940 is about 50.3889662585.

The spelling of 127940 in words is "one hundred twenty-seven thousand, nine hundred forty".