127766049 has 8 divisors (see below), whose sum is σ = 171862752. Its totient is φ = 84423360.

The previous prime is 127766047. The next prime is 127766053. The reversal of 127766049 is 940667721.

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

It is not a de Polignac number, because 127766049 - 2¹ = 127766047 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 127766049.

It is not an unprimeable number, because it can be changed into a prime (127766047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188107 + ... + 188784.

It is an arithmetic number, because the mean of its divisors is an integer number (21482844).

Almost surely, 2^127766049 is an apocalyptic number.

It is an amenable number.

127766049 is a deficient number, since it is larger than the sum of its proper divisors (44096703).

127766049 is a wasteful number, since it uses less digits than its factorization.

127766049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377007.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 127766049 is about 11303.3644991215. The cubic root of 127766049 is about 503.6611912561.

The spelling of 127766049 in words is "one hundred twenty-seven million, seven hundred sixty-six thousand, forty-nine".