7125223 has 4 divisors (see below), whose sum is σ = 8143120. Its totient is φ = 6107328.

The previous prime is 7125203. The next prime is 7125263. The reversal of 7125223 is 3225217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3225217 = 139 ⋅23203.

It is a cyclic number.

It is not a de Polignac number, because 7125223 - 2¹⁷ = 6994151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7125194 and 7125203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125203) 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, 508938 + ... + 508951.

It is an arithmetic number, because the mean of its divisors is an integer number (2035780).

Almost surely, 2^7125223 is an apocalyptic number.

7125223 is a deficient number, since it is larger than the sum of its proper divisors (1017897).

7125223 is a wasteful number, since it uses less digits than its factorization.

7125223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017896.

The product of its digits is 840, while the sum is 22.

The square root of 7125223 is about 2669.3113344082. The cubic root of 7125223 is about 192.4270640651.

The spelling of 7125223 in words is "seven million, one hundred twenty-five thousand, two hundred twenty-three".