7125279 has 16 divisors (see below), whose sum is σ = 10940160. Its totient is φ = 4040640.

The previous prime is 7125277. The next prime is 7125281. The reversal of 7125279 is 9725217.

It is an interprime number because it is at equal distance from previous prime (7125277) and next prime (7125281).

It is not a de Polignac number, because 7125279 - 2¹ = 7125277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7125277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1699 + ... + 4139.

It is an arithmetic number, because the mean of its divisors is an integer number (683760).

Almost surely, 2^7125279 is an apocalyptic number.

7125279 is a deficient number, since it is larger than the sum of its proper divisors (3814881).

7125279 is a wasteful number, since it uses less digits than its factorization.

7125279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590.

The product of its digits is 8820, while the sum is 33.

The square root of 7125279 is about 2669.3218239845. The cubic root of 7125279 is about 192.4275681844.

The spelling of 7125279 in words is "seven million, one hundred twenty-five thousand, two hundred seventy-nine".