118221207 has 16 divisors (see below), whose sum is σ = 171439968. Its totient is φ = 72028800.

The previous prime is 118221167. The next prime is 118221221. The reversal of 118221207 is 702122811.

It is not a de Polignac number, because 118221207 - 2⁸ = 118220951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118221227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11068 + ... + 18945.

It is an arithmetic number, because the mean of its divisors is an integer number (10714998).

Almost surely, 2^118221207 is an apocalyptic number.

118221207 is a deficient number, since it is larger than the sum of its proper divisors (53218761).

118221207 is a wasteful number, since it uses less digits than its factorization.

118221207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30130.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 118221207 is about 10872.9576013153. The cubic root of 118221207 is about 490.7931165090.

The spelling of 118221207 in words is "one hundred eighteen million, two hundred twenty-one thousand, two hundred seven".