660112127 has 2 divisors, whose sum is σ = 660112128. Its totient is φ = 660112126.

The previous prime is 660112111. The next prime is 660112157. The reversal of 660112127 is 721211066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 660112127 - 2⁴ = 660112111 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 660112096 and 660112105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660112157) 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, 330056063 + 330056064.

It is an arithmetic number, because the mean of its divisors is an integer number (330056064).

Almost surely, 2^660112127 is an apocalyptic number.

660112127 is a deficient number, since it is larger than the sum of its proper divisors (1).

660112127 is an equidigital number, since it uses as much as digits as its factorization.

660112127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 660112127 is about 25692.6473334299. The cubic root of 660112127 is about 870.7080715557.

The spelling of 660112127 in words is "six hundred sixty million, one hundred twelve thousand, one hundred twenty-seven".