127399444 has 6 divisors (see below), whose sum is σ = 222949034. Its totient is φ = 63699720.

The previous prime is 127399421. The next prime is 127399453. The reversal of 127399444 is 444993721.

It can be written as a sum of positive squares in only one way, i.e., 104244100 + 23155344 = 10210^2 + 4812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 127399444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15924927 + ... + 15924934.

Almost surely, 2^127399444 is an apocalyptic number.

It is an amenable number.

127399444 is a deficient number, since it is larger than the sum of its proper divisors (95549590).

127399444 is a wasteful number, since it uses less digits than its factorization.

127399444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31849865 (or 31849863 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 127399444 is about 11287.1362178367. The cubic root of 127399444 is about 503.1790037013.

The spelling of 127399444 in words is "one hundred twenty-seven million, three hundred ninety-nine thousand, four hundred forty-four".