127091947 has 8 divisors (see below), whose sum is σ = 128325600. Its totient is φ = 125864640.

The previous prime is 127091927. The next prime is 127091963. The reversal of 127091947 is 749190721.

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 127091947 - 2⁷ = 127091819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127091927) 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, 44997 + ... + 47737.

It is an arithmetic number, because the mean of its divisors is an integer number (16040700).

Almost surely, 2^127091947 is an apocalyptic number.

127091947 is a deficient number, since it is larger than the sum of its proper divisors (1233653).

127091947 is a wasteful number, since it uses less digits than its factorization.

127091947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 127091947 is about 11273.5064199210. The cubic root of 127091947 is about 502.7738457692.

The spelling of 127091947 in words is "one hundred twenty-seven million, ninety-one thousand, nine hundred forty-seven".