112166987 has 2 divisors, whose sum is σ = 112166988. Its totient is φ = 112166986.

The previous prime is 112166933. The next prime is 112167001. The reversal of 112166987 is 789661211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112166987 - 2¹⁴ = 112150603 is a prime.

It is not a weakly prime, because it can be changed into another prime (112166917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56083493 + 56083494.

It is an arithmetic number, because the mean of its divisors is an integer number (56083494).

Almost surely, 2^112166987 is an apocalyptic number.

112166987 is a deficient number, since it is larger than the sum of its proper divisors (1).

112166987 is an equidigital number, since it uses as much as digits as its factorization.

112166987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 41.

The square root of 112166987 is about 10590.8916999467. The cubic root of 112166987 is about 482.2678948433.

The spelling of 112166987 in words is "one hundred twelve million, one hundred sixty-six thousand, nine hundred eighty-seven".