7125566 has 8 divisors (see below), whose sum is σ = 12215280. Its totient is φ = 3053808.

The previous prime is 7125553. The next prime is 7125583. The reversal of 7125566 is 6655217.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254471 + ... + 254498.

It is an arithmetic number, because the mean of its divisors is an integer number (1526910).

Almost surely, 2^7125566 is an apocalyptic number.

7125566 is a deficient number, since it is larger than the sum of its proper divisors (5089714).

7125566 is a wasteful number, since it uses less digits than its factorization.

7125566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508978.

The product of its digits is 12600, while the sum is 32.

The square root of 7125566 is about 2669.3755824162. The cubic root of 7125566 is about 192.4301517544.

The spelling of 7125566 in words is "seven million, one hundred twenty-five thousand, five hundred sixty-six".