127980438 has 8 divisors (see below), whose sum is σ = 255960888. Its totient is φ = 42660144.

The previous prime is 127980401. The next prime is 127980443. The reversal of 127980438 is 834089721.

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

127980438 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 127980438.

It is a congruent number.

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, 10665031 + ... + 10665042.

It is an arithmetic number, because the mean of its divisors is an integer number (31995111).

Almost surely, 2^127980438 is an apocalyptic number.

127980438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

127980438 is a wasteful number, since it uses less digits than its factorization.

127980438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21330078.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 127980438 is about 11312.8439395229. The cubic root of 127980438 is about 503.9427451337.

The spelling of 127980438 in words is "one hundred twenty-seven million, nine hundred eighty thousand, four hundred thirty-eight".