118920111 has 8 divisors (see below), whose sum is σ = 158993664. Its totient is φ = 79063320.

The previous prime is 118920103. The next prime is 118920209. The reversal of 118920111 is 111029811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118920111 - 2³ = 118920103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118920311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52905 + ... + 55106.

It is an arithmetic number, because the mean of its divisors is an integer number (19874208).

Almost surely, 2^118920111 is an apocalyptic number.

118920111 is a deficient number, since it is larger than the sum of its proper divisors (40073553).

118920111 is a wasteful number, since it uses less digits than its factorization.

118920111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108381.

The product of its (nonzero) digits is 144, while the sum is 24.

The square root of 118920111 is about 10905.0497935589. The cubic root of 118920111 is about 491.7583791122.

Adding to 118920111 its reverse (111029811), we get a palindrome (229949922).

The spelling of 118920111 in words is "one hundred eighteen million, nine hundred twenty thousand, one hundred eleven".