947123 has 4 divisors (see below), whose sum is σ = 949200. Its totient is φ = 945048.

The previous prime is 947119. The next prime is 947129. The reversal of 947123 is 321749.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 947123 - 2² = 947119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 947092 and 947101.

It is not an unprimeable number, because it can be changed into a prime (947129) 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 3 ways as a sum of consecutive naturals, for example, 23 + ... + 1376.

It is an arithmetic number, because the mean of its divisors is an integer number (237300).

2⁹⁴⁷¹²³ is an apocalyptic number.

947123 is a deficient number, since it is larger than the sum of its proper divisors (2077).

947123 is a wasteful number, since it uses less digits than its factorization.

947123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076.

The product of its digits is 1512, while the sum is 26.

The square root of 947123 is about 973.2024455374. The cubic root of 947123 is about 98.2054208386.

The spelling of 947123 in words is "nine hundred forty-seven thousand, one hundred twenty-three".