118208097 has 24 divisors (see below), whose sum is σ = 197817984. Its totient is φ = 66619584.

The previous prime is 118208087. The next prime is 118208117. The reversal of 118208097 is 790802811.

It is not a de Polignac number, because 118208097 - 2¹⁴ = 118191713 is a prime.

It is a super-2 number, since 2×118208097² = 27946308392722818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118208087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8253 + ... + 17450.

It is an arithmetic number, because the mean of its divisors is an integer number (8242416).

Almost surely, 2^118208097 is an apocalyptic number.

It is an amenable number.

118208097 is a deficient number, since it is larger than the sum of its proper divisors (79609887).

118208097 is a wasteful number, since it uses less digits than its factorization.

118208097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25789 (or 25786 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 118208097 is about 10872.3547127566. The cubic root of 118208097 is about 490.7749738656.

The spelling of 118208097 in words is "one hundred eighteen million, two hundred eight thousand, ninety-seven".