7125231 has 8 divisors (see below), whose sum is σ = 9592960. Its totient is φ = 4703832.

The previous prime is 7125203. The next prime is 7125263. The reversal of 7125231 is 1325217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7125231 - 2⁵ = 7125199 is a prime.

It is a super-2 number, since 2×7125231² = 101537833606722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7125198 and 7125207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125281) 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, 11221 + ... + 11838.

It is an arithmetic number, because the mean of its divisors is an integer number (1199120).

Almost surely, 2^7125231 is an apocalyptic number.

7125231 is a deficient number, since it is larger than the sum of its proper divisors (2467729).

7125231 is a wasteful number, since it uses less digits than its factorization.

7125231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23165.

The product of its digits is 420, while the sum is 21.

The square root of 7125231 is about 2669.3128329216. The cubic root of 7125231 is about 192.4271360823.

The spelling of 7125231 in words is "seven million, one hundred twenty-five thousand, two hundred thirty-one".