118454887 has 2 divisors, whose sum is σ = 118454888. Its totient is φ = 118454886.

The previous prime is 118454867. The next prime is 118454893. The reversal of 118454887 is 788454811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118454887 - 2¹¹ = 118452839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118454867) 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, 59227443 + 59227444.

It is an arithmetic number, because the mean of its divisors is an integer number (59227444).

Almost surely, 2^118454887 is an apocalyptic number.

118454887 is a deficient number, since it is larger than the sum of its proper divisors (1).

118454887 is an equidigital number, since it uses as much as digits as its factorization.

118454887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286720, while the sum is 46.

The square root of 118454887 is about 10883.6982225712. The cubic root of 118454887 is about 491.1162763873.

The spelling of 118454887 in words is "one hundred eighteen million, four hundred fifty-four thousand, eight hundred eighty-seven".