7136125 has 8 divisors (see below), whose sum is σ = 8906040. Its totient is φ = 5708800.

The previous prime is 7136123. The next prime is 7136131. The reversal of 7136125 is 5216317.

It can be written as a sum of positive squares in 4 ways, for example, as 443556 + 6692569 = 666^2 + 2587^2 .

It is not a de Polignac number, because 7136125 - 2¹ = 7136123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 7136125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7136123) 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, 28420 + ... + 28669.

It is an arithmetic number, because the mean of its divisors is an integer number (1113255).

Almost surely, 2^7136125 is an apocalyptic number.

It is an amenable number.

7136125 is a deficient number, since it is larger than the sum of its proper divisors (1769915).

7136125 is an equidigital number, since it uses as much as digits as its factorization.

7136125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57104 (or 57094 counting only the distinct ones).

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

The square root of 7136125 is about 2671.3526536195. The cubic root of 7136125 is about 192.5251555364.

The spelling of 7136125 in words is "seven million, one hundred thirty-six thousand, one hundred twenty-five".