127980441 has 18 divisors (see below), whose sum is σ = 193254698. Its totient is φ = 81607680.

The previous prime is 127980401. The next prime is 127980443. The reversal of 127980441 is 144089721.

127980441 is a `hidden beast` number, since 127 + 98 + 0 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120362841 + 7617600 = 10971^2 + 2760^2 .

It is not a de Polignac number, because 127980441 - 2¹⁷ = 127849369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127980396 and 127980405.

It is not an unprimeable number, because it can be changed into a prime (127980443) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8680 + ... + 18201.

Almost surely, 2^127980441 is an apocalyptic number.

It is an amenable number.

127980441 is a deficient number, since it is larger than the sum of its proper divisors (65274257).

127980441 is a wasteful number, since it uses less digits than its factorization.

127980441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26933 (or 26907 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 127980441 is about 11312.8440721156. The cubic root of 127980441 is about 503.9427490714.

The spelling of 127980441 in words is "one hundred twenty-seven million, nine hundred eighty thousand, four hundred forty-one".