118220207 has 16 divisors (see below), whose sum is σ = 142371840. Its totient is φ = 95971392.

The previous prime is 118220203. The next prime is 118220209. The reversal of 118220207 is 702022811.

It is a cyclic number.

It is not a de Polignac number, because 118220207 - 2² = 118220203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13019 + ... + 20147.

It is an arithmetic number, because the mean of its divisors is an integer number (8898240).

Almost surely, 2^118220207 is an apocalyptic number.

118220207 is a deficient number, since it is larger than the sum of its proper divisors (24151633).

118220207 is a wasteful number, since it uses less digits than its factorization.

118220207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 118220207 is about 10872.9116155701. The cubic root of 118220207 is about 490.7917326780.

The spelling of 118220207 in words is "one hundred eighteen million, two hundred twenty thousand, two hundred seven".