7125187 has 2 divisors, whose sum is σ = 7125188. Its totient is φ = 7125186.

The previous prime is 7125169. The next prime is 7125197. The reversal of 7125187 is 7815217.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7125187 - 2¹⁹ = 6600899 is a prime.

It is not a weakly prime, because it can be changed into another prime (7125197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562593 + 3562594.

It is an arithmetic number, because the mean of its divisors is an integer number (3562594).

Almost surely, 2^7125187 is an apocalyptic number.

7125187 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125187 is an equidigital number, since it uses as much as digits as its factorization.

7125187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 31.

The square root of 7125187 is about 2669.3045910873. The cubic root of 7125187 is about 192.4267399870.

The spelling of 7125187 in words is "seven million, one hundred twenty-five thousand, one hundred eighty-seven".