118935109 has 2 divisors, whose sum is σ = 118935110. Its totient is φ = 118935108.

The previous prime is 118935107. The next prime is 118935133. The reversal of 118935109 is 901539811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81993025 + 36942084 = 9055^2 + 6078^2 .

It is a cyclic number.

It is not a de Polignac number, because 118935109 - 2¹ = 118935107 is a prime.

Together with 118935107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118935107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59467554 + 59467555.

It is an arithmetic number, because the mean of its divisors is an integer number (59467555).

Almost surely, 2^118935109 is an apocalyptic number.

It is an amenable number.

118935109 is a deficient number, since it is larger than the sum of its proper divisors (1).

118935109 is an equidigital number, since it uses as much as digits as its factorization.

118935109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 37.

The square root of 118935109 is about 10905.7374349468. The cubic root of 118935109 is about 491.7790514837.

The spelling of 118935109 in words is "one hundred eighteen million, nine hundred thirty-five thousand, one hundred nine".