1188028943 has 2 divisors, whose sum is σ = 1188028944. Its totient is φ = 1188028942.

The previous prime is 1188028909. The next prime is 1188028949. The reversal of 1188028943 is 3498208811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1188028943 - 2⁶ = 1188028879 is a prime.

It is a super-2 number, since 2×1188028943² = 2822825538811394498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1188028894 and 1188028903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1188028949) 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, 594014471 + 594014472.

It is an arithmetic number, because the mean of its divisors is an integer number (594014472).

Almost surely, 2^1188028943 is an apocalyptic number.

1188028943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188028943 is an equidigital number, since it uses as much as digits as its factorization.

1188028943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 1188028943 is about 34467.7957374707. The cubic root of 1188028943 is about 1059.1131014431.

The spelling of 1188028943 in words is "one billion, one hundred eighty-eight million, twenty-eight thousand, nine hundred forty-three".