7125291 has 6 divisors (see below), whose sum is σ = 10292100. Its totient is φ = 4750188.

The previous prime is 7125281. The next prime is 7125299. The reversal of 7125291 is 1925217.

It is not a de Polignac number, because 7125291 - 2¹⁰ = 7124267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7125299) 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 5 ways as a sum of consecutive naturals, for example, 395841 + ... + 395858.

It is an arithmetic number, because the mean of its divisors is an integer number (1715350).

Almost surely, 2^7125291 is an apocalyptic number.

7125291 is a deficient number, since it is larger than the sum of its proper divisors (3166809).

7125291 is a wasteful number, since it uses less digits than its factorization.

7125291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791705 (or 791702 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 7125291 is about 2669.3240717455. The cubic root of 7125291 is about 192.4276762096.

The spelling of 7125291 in words is "seven million, one hundred twenty-five thousand, two hundred ninety-one".