127944947 has 8 divisors (see below), whose sum is σ = 137946480. Its totient is φ = 117966240.

The previous prime is 127944931. The next prime is 127944977. The reversal of 127944947 is 749449721.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 127944947 - 2⁴ = 127944931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127944977) 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 7 ways as a sum of consecutive naturals, for example, 7004 + ... + 17462.

It is an arithmetic number, because the mean of its divisors is an integer number (17243310).

Almost surely, 2^127944947 is an apocalyptic number.

127944947 is a deficient number, since it is larger than the sum of its proper divisors (10001533).

127944947 is a wasteful number, since it uses less digits than its factorization.

127944947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11413.

The product of its digits is 508032, while the sum is 47.

The square root of 127944947 is about 11311.2752154653. The cubic root of 127944947 is about 503.8961570619.

The spelling of 127944947 in words is "one hundred twenty-seven million, nine hundred forty-four thousand, nine hundred forty-seven".