7125787 has 2 divisors, whose sum is σ = 7125788. Its totient is φ = 7125786.

The previous prime is 7125761. The next prime is 7125803. The reversal of 7125787 is 7875217.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7125787 is a prime.

It is not a weakly prime, because it can be changed into another prime (7125707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3562893 + 3562894.

It is an arithmetic number, because the mean of its divisors is an integer number (3562894).

Almost surely, 2^7125787 is an apocalyptic number.

7125787 is a deficient number, since it is larger than the sum of its proper divisors (1).

7125787 is an equidigital number, since it uses as much as digits as its factorization.

7125787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27440, while the sum is 37.

The square root of 7125787 is about 2669.4169775440. The cubic root of 7125787 is about 192.4321411460.

The spelling of 7125787 in words is "seven million, one hundred twenty-five thousand, seven hundred eighty-seven".