947028127 has 4 divisors (see below), whose sum is σ = 970126416. Its totient is φ = 923929840.

The previous prime is 947028113. The next prime is 947028157. The reversal of 947028127 is 721820749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721820749 = 13 ⋅55524673.

It is a cyclic number.

It is not a de Polignac number, because 947028127 - 2¹¹ = 947026079 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 947028127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947028107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11549083 + ... + 11549164.

It is an arithmetic number, because the mean of its divisors is an integer number (242531604).

Almost surely, 2^947028127 is an apocalyptic number.

947028127 is a deficient number, since it is larger than the sum of its proper divisors (23098289).

947028127 is a wasteful number, since it uses less digits than its factorization.

947028127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23098288.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 947028127 is about 30773.8221058093. The cubic root of 947028127 is about 982.0214166085.

The spelling of 947028127 in words is "nine hundred forty-seven million, twenty-eight thousand, one hundred twenty-seven".