71120827 has 2 divisors, whose sum is σ = 71120828. Its totient is φ = 71120826.

The previous prime is 71120821. The next prime is 71120837. The reversal of 71120827 is 72802117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71120827 - 2¹¹ = 71118779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71120795 and 71120804.

It is not a weakly prime, because it can be changed into another prime (71120821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35560413 + 35560414.

It is an arithmetic number, because the mean of its divisors is an integer number (35560414).

Almost surely, 2^71120827 is an apocalyptic number.

71120827 is a deficient number, since it is larger than the sum of its proper divisors (1).

71120827 is an equidigital number, since it uses as much as digits as its factorization.

71120827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 71120827 is about 8433.3164887842. The cubic root of 71120827 is about 414.3165350549.

The spelling of 71120827 in words is "seventy-one million, one hundred twenty thousand, eight hundred twenty-seven".