7128071 has 2 divisors, whose sum is σ = 7128072. Its totient is φ = 7128070.

The previous prime is 7128031. The next prime is 7128101. The reversal of 7128071 is 1708217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7128071 - 2⁶ = 7128007 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7128071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7128031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3564035 + 3564036.

It is an arithmetic number, because the mean of its divisors is an integer number (3564036).

Almost surely, 2^7128071 is an apocalyptic number.

7128071 is a deficient number, since it is larger than the sum of its proper divisors (1).

7128071 is an equidigital number, since it uses as much as digits as its factorization.

7128071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 7128071 is about 2669.8447520408. The cubic root of 7128071 is about 192.4526987845.

The spelling of 7128071 in words is "seven million, one hundred twenty-eight thousand, seventy-one".