111124589 has 2 divisors, whose sum is σ = 111124590. Its totient is φ = 111124588.

The previous prime is 111124583. The next prime is 111124603. The reversal of 111124589 is 985421111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58446025 + 52678564 = 7645^2 + 7258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111124589 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111124583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55562294 + 55562295.

It is an arithmetic number, because the mean of its divisors is an integer number (55562295).

Almost surely, 2^111124589 is an apocalyptic number.

It is an amenable number.

111124589 is a deficient number, since it is larger than the sum of its proper divisors (1).

111124589 is an equidigital number, since it uses as much as digits as its factorization.

111124589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 32.

The square root of 111124589 is about 10541.5648269126. The cubic root of 111124589 is about 480.7692944627.

The spelling of 111124589 in words is "one hundred eleven million, one hundred twenty-four thousand, five hundred eighty-nine".