1111120189 has 2 divisors, whose sum is σ = 1111120190. Its totient is φ = 1111120188.

The previous prime is 1111120183. The next prime is 1111120223. The reversal of 1111120189 is 9810211111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1047040164 + 64080025 = 32358^2 + 8005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111120189 - 2¹⁹ = 1110595901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111120183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555560094 + 555560095.

It is an arithmetic number, because the mean of its divisors is an integer number (555560095).

Almost surely, 2^1111120189 is an apocalyptic number.

It is an amenable number.

1111120189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111120189 is an equidigital number, since it uses as much as digits as its factorization.

1111120189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 25.

The square root of 1111120189 is about 33333.4695013885. The cubic root of 1111120189 is about 1035.7469893547.

The spelling of 1111120189 in words is "one billion, one hundred eleven million, one hundred twenty thousand, one hundred eighty-nine".