127786042 has 8 divisors (see below), whose sum is σ = 202954356. Its totient is φ = 60134592.

The previous prime is 127786037. The next prime is 127786069. The reversal of 127786042 is 240687721.

It can be written as a sum of positive squares in 2 ways, for example, as 127712601 + 73441 = 11301^2 + 271^2 .

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 = 127785992 and 127786010.

It is an unprimeable number.

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, 1879173 + ... + 1879240.

Almost surely, 2^127786042 is an apocalyptic number.

127786042 is a deficient number, since it is larger than the sum of its proper divisors (75168314).

127786042 is a wasteful number, since it uses less digits than its factorization.

127786042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758432.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 127786042 is about 11304.2488472255. The cubic root of 127786042 is about 503.6874610753.

The spelling of 127786042 in words is "one hundred twenty-seven million, seven hundred eighty-six thousand, forty-two".