7922123 has 4 divisors (see below), whose sum is σ = 8642328. Its totient is φ = 7201920.

The previous prime is 7922113. The next prime is 7922129. The reversal of 7922123 is 3212297.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3212297 = 11 ⋅292027.

It is not a de Polignac number, because 7922123 - 2⁶ = 7922059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7922092 and 7922101.

It is not an unprimeable number, because it can be changed into a prime (7922129) 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, 360086 + ... + 360107.

It is an arithmetic number, because the mean of its divisors is an integer number (2160582).

Almost surely, 2^7922123 is an apocalyptic number.

7922123 is a deficient number, since it is larger than the sum of its proper divisors (720205).

7922123 is a wasteful number, since it uses less digits than its factorization.

7922123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720204.

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

The square root of 7922123 is about 2814.6266182213. The cubic root of 7922123 is about 199.3489076941.

The spelling of 7922123 in words is "seven million, nine hundred twenty-two thousand, one hundred twenty-three".