1110143189 has 2 divisors, whose sum is σ = 1110143190. Its totient is φ = 1110143188.

The previous prime is 1110143173. The next prime is 1110143213. The reversal of 1110143189 is 9813410111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 718776100 + 391367089 = 26810^2 + 19783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110143189 - 2⁴ = 1110143173 is a prime.

It is a super-3 number, since 3×1110143189³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110143119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555071594 + 555071595.

It is an arithmetic number, because the mean of its divisors is an integer number (555071595).

Almost surely, 2^1110143189 is an apocalyptic number.

It is an amenable number.

1110143189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110143189 is an equidigital number, since it uses as much as digits as its factorization.

1110143189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 29.

The square root of 1110143189 is about 33318.8113383416. The cubic root of 1110143189 is about 1035.4433253718.

The spelling of 1110143189 in words is "one billion, one hundred ten million, one hundred forty-three thousand, one hundred eighty-nine".