118432087 has 2 divisors, whose sum is σ = 118432088. Its totient is φ = 118432086.

The previous prime is 118432009. The next prime is 118432099. The reversal of 118432087 is 780234811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118432087 - 2¹⁹ = 117907799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118432987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59216043 + 59216044.

It is an arithmetic number, because the mean of its divisors is an integer number (59216044).

Almost surely, 2^118432087 is an apocalyptic number.

118432087 is a deficient number, since it is larger than the sum of its proper divisors (1).

118432087 is an equidigital number, since it uses as much as digits as its factorization.

118432087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 118432087 is about 10882.6507340813. The cubic root of 118432087 is about 491.0847646169.

Adding to 118432087 its reverse (780234811), we get a palindrome (898666898).

The spelling of 118432087 in words is "one hundred eighteen million, four hundred thirty-two thousand, eighty-seven".