118156207 has 16 divisors (see below), whose sum is σ = 132859552. Its totient is φ = 104353920.

The previous prime is 118156201. The next prime is 118156223. The reversal of 118156207 is 702651811.

It is not a de Polignac number, because 118156207 - 2¹⁹ = 117631919 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 (118156201) 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, 27328 + ... + 31354.

It is an arithmetic number, because the mean of its divisors is an integer number (8303722).

Almost surely, 2^118156207 is an apocalyptic number.

118156207 is a deficient number, since it is larger than the sum of its proper divisors (14703345).

118156207 is a wasteful number, since it uses less digits than its factorization.

118156207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 118156207 is about 10869.9681232283. The cubic root of 118156207 is about 490.7031512598.

The spelling of 118156207 in words is "one hundred eighteen million, one hundred fifty-six thousand, two hundred seven".