118391101 has 4 divisors (see below), whose sum is σ = 118586752. Its totient is φ = 118195452.

The previous prime is 118391081. The next prime is 118391107. The reversal of 118391101 is 101193811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118391101 - 2⁹ = 118390589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118391107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96915 + ... + 98128.

It is an arithmetic number, because the mean of its divisors is an integer number (29646688).

Almost surely, 2^118391101 is an apocalyptic number.

It is an amenable number.

118391101 is a deficient number, since it is larger than the sum of its proper divisors (195651).

118391101 is an equidigital number, since it uses as much as digits as its factorization.

118391101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195650.

The product of its (nonzero) digits is 216, while the sum is 25.

The square root of 118391101 is about 10880.7674821218. The cubic root of 118391101 is about 491.0281078921.

The spelling of 118391101 in words is "one hundred eighteen million, three hundred ninety-one thousand, one hundred one".