123066571 has 2 divisors, whose sum is σ = 123066572. Its totient is φ = 123066570.

The previous prime is 123066533. The next prime is 123066577. The reversal of 123066571 is 175660321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123066571 - 2⁷ = 123066443 is a prime.

It is not a weakly prime, because it can be changed into another prime (123066577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61533285 + 61533286.

It is an arithmetic number, because the mean of its divisors is an integer number (61533286).

Almost surely, 2^123066571 is an apocalyptic number.

123066571 is a deficient number, since it is larger than the sum of its proper divisors (1).

123066571 is an equidigital number, since it uses as much as digits as its factorization.

123066571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 123066571 is about 11093.5373528915. The cubic root of 123066571 is about 497.4086880722.

The spelling of 123066571 in words is "one hundred twenty-three million, sixty-six thousand, five hundred seventy-one".