7125163 has 4 divisors (see below), whose sum is σ = 7148680. Its totient is φ = 7101648.

The previous prime is 7125121. The next prime is 7125169. The reversal of 7125163 is 3615217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7125163 - 2⁹ = 7124651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7125169) 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 3 ways as a sum of consecutive naturals, for example, 11298 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (1787170).

Almost surely, 2^7125163 is an apocalyptic number.

7125163 is a deficient number, since it is larger than the sum of its proper divisors (23517).

7125163 is a wasteful number, since it uses less digits than its factorization.

7125163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23516.

The product of its digits is 1260, while the sum is 25.

The square root of 7125163 is about 2669.3000955307. The cubic root of 7125163 is about 192.4265239344.

The spelling of 7125163 in words is "seven million, one hundred twenty-five thousand, one hundred sixty-three".