127385380 has 12 divisors (see below), whose sum is σ = 267509340. Its totient is φ = 50954144.

The previous prime is 127385309. The next prime is 127385381. The reversal of 127385380 is 83583721.

It can be written as a sum of positive squares in 2 ways, for example, as 90516196 + 36869184 = 9514^2 + 6072^2 .

It is not an unprimeable number, because it can be changed into a prime (127385381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3184615 + ... + 3184654.

It is an arithmetic number, because the mean of its divisors is an integer number (22292445).

Almost surely, 2^127385380 is an apocalyptic number.

127385380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127385380 is an abundant number, since it is smaller than the sum of its proper divisors (140123960).

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

127385380 is a wasteful number, since it uses less digits than its factorization.

127385380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369278 (or 6369276 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 127385380 is about 11286.5131905297. The cubic root of 127385380 is about 503.1604872157.

It can be divided in two parts, 127385 and 380, that added together give a triangular number (127765 = T₅₀₅).

The spelling of 127385380 in words is "one hundred twenty-seven million, three hundred eighty-five thousand, three hundred eighty".