7121071 has 2 divisors, whose sum is σ = 7121072. Its totient is φ = 7121070.

The previous prime is 7121033. The next prime is 7121089. The reversal of 7121071 is 1701217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7121071 - 2¹⁹ = 6596783 is a prime.

It is a Chen prime.

7121071 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7121021) 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 as a sum of consecutive naturals, namely, 3560535 + 3560536.

It is an arithmetic number, because the mean of its divisors is an integer number (3560536).

Almost surely, 2^7121071 is an apocalyptic number.

7121071 is a deficient number, since it is larger than the sum of its proper divisors (1).

7121071 is an equidigital number, since it uses as much as digits as its factorization.

7121071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 7121071 is about 2668.5334923887. The cubic root of 7121071 is about 192.3896798593.

Adding to 7121071 its reverse (1701217), we get a palindrome (8822288).

The spelling of 7121071 in words is "seven million, one hundred twenty-one thousand, seventy-one".