71122859 has 2 divisors, whose sum is σ = 71122860. Its totient is φ = 71122858.

The previous prime is 71122853. The next prime is 71122867. The reversal of 71122859 is 95822117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71122859 - 2¹⁶ = 71057323 is a prime.

It is a super-2 number, since 2×71122859² = 10116922144667762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71122853) 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, 35561429 + 35561430.

It is an arithmetic number, because the mean of its divisors is an integer number (35561430).

Almost surely, 2^71122859 is an apocalyptic number.

71122859 is a deficient number, since it is larger than the sum of its proper divisors (1).

71122859 is an equidigital number, since it uses as much as digits as its factorization.

71122859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 35.

The square root of 71122859 is about 8433.4369624727. The cubic root of 71122859 is about 414.3204808432.

The spelling of 71122859 in words is "seventy-one million, one hundred twenty-two thousand, eight hundred fifty-nine".