112981189 has 2 divisors, whose sum is σ = 112981190. Its totient is φ = 112981188.

The previous prime is 112981171. The next prime is 112981207. The reversal of 112981189 is 981189211.

It is a balanced prime because it is at equal distance from previous prime (112981171) and next prime (112981207).

It can be written as a sum of positive squares in only one way, i.e., 100661089 + 12320100 = 10033^2 + 3510^2 .

It is an emirp because it is prime and its reverse (981189211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112981189 - 2⁵ = 112981157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112981109) 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, 56490594 + 56490595.

It is an arithmetic number, because the mean of its divisors is an integer number (56490595).

Almost surely, 2^112981189 is an apocalyptic number.

It is an amenable number.

112981189 is a deficient number, since it is larger than the sum of its proper divisors (1).

112981189 is an equidigital number, since it uses as much as digits as its factorization.

112981189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 40.

The square root of 112981189 is about 10629.2609808961. The cubic root of 112981189 is about 483.4319842498.

The spelling of 112981189 in words is "one hundred twelve million, nine hundred eighty-one thousand, one hundred eighty-nine".