127671842 has 8 divisors (see below), whose sum is σ = 192793500. Its totient is φ = 63407344.

The previous prime is 127671839. The next prime is 127671847. The reversal of 127671842 is 248176721.

It can be written as a sum of positive squares in 2 ways, for example, as 127260961 + 410881 = 11281^2 + 641^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 127671796 and 127671805.

It is not an unprimeable number, because it can be changed into a prime (127671847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213917 + ... + 214512.

Almost surely, 2^127671842 is an apocalyptic number.

127671842 is a deficient number, since it is larger than the sum of its proper divisors (65121658).

127671842 is a wasteful number, since it uses less digits than its factorization.

127671842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428580.

The product of its digits is 37632, while the sum is 38.

The square root of 127671842 is about 11299.1965201071. The cubic root of 127671842 is about 503.5373709954.

The spelling of 127671842 in words is "one hundred twenty-seven million, six hundred seventy-one thousand, eight hundred forty-two".