1118267387 has 2 divisors, whose sum is σ = 1118267388. Its totient is φ = 1118267386.

The previous prime is 1118267341. The next prime is 1118267393. The reversal of 1118267387 is 7837628111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1118267387 - 2³⁰ = 44525563 is a prime.

It is a super-3 number, since 3×1118267387³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1118263387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559133693 + 559133694.

It is an arithmetic number, because the mean of its divisors is an integer number (559133694).

Almost surely, 2^1118267387 is an apocalyptic number.

1118267387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118267387 is an equidigital number, since it uses as much as digits as its factorization.

1118267387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 44.

The square root of 1118267387 is about 33440.5051845812. The cubic root of 1118267387 is about 1037.9630331119.

The spelling of 1118267387 in words is "one billion, one hundred eighteen million, two hundred sixty-seven thousand, three hundred eighty-seven".