118639099 has 2 divisors, whose sum is σ = 118639100. Its totient is φ = 118639098.

The previous prime is 118639049. The next prime is 118639109. The reversal of 118639099 is 990936811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118639099 is a prime.

It is not a weakly prime, because it can be changed into another prime (118639009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59319549 + 59319550.

It is an arithmetic number, because the mean of its divisors is an integer number (59319550).

Almost surely, 2^118639099 is an apocalyptic number.

118639099 is a deficient number, since it is larger than the sum of its proper divisors (1).

118639099 is an equidigital number, since it uses as much as digits as its factorization.

118639099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 118639099 is about 10892.1576833977. The cubic root of 118639099 is about 491.3707267162.

The spelling of 118639099 in words is "one hundred eighteen million, six hundred thirty-nine thousand, ninety-nine".