1118869027 has 2 divisors, whose sum is σ = 1118869028. Its totient is φ = 1118869026.

The previous prime is 1118869009. The next prime is 1118869043. The reversal of 1118869027 is 7209688111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1118869027 - 2⁷ = 1118868899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1118869727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559434513 + 559434514.

It is an arithmetic number, because the mean of its divisors is an integer number (559434514).

Almost surely, 2^1118869027 is an apocalyptic number.

1118869027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118869027 is an equidigital number, since it uses as much as digits as its factorization.

1118869027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 43.

The square root of 1118869027 is about 33449.4996524612. The cubic root of 1118869027 is about 1038.1491448676.

The spelling of 1118869027 in words is "one billion, one hundred eighteen million, eight hundred sixty-nine thousand, twenty-seven".