71122027 has 2 divisors, whose sum is σ = 71122028. Its totient is φ = 71122026.

The previous prime is 71122001. The next prime is 71122147. The reversal of 71122027 is 72022117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71122027 - 2⁷ = 71121899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71121989 and 71122007.

It is not a weakly prime, because it can be changed into another prime (71122927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35561013 + 35561014.

It is an arithmetic number, because the mean of its divisors is an integer number (35561014).

Almost surely, 2^71122027 is an apocalyptic number.

71122027 is a deficient number, since it is larger than the sum of its proper divisors (1).

71122027 is an equidigital number, since it uses as much as digits as its factorization.

71122027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 71122027 is about 8433.3876348713. The cubic root of 71122027 is about 414.3188652539.

The spelling of 71122027 in words is "seventy-one million, one hundred twenty-two thousand, twenty-seven".