118938906 has 12 divisors (see below), whose sum is σ = 257701002. Its totient is φ = 39646296.

The previous prime is 118938887. The next prime is 118938931. The reversal of 118938906 is 609839811.

It can be written as a sum of positive squares in only one way, i.e., 118919025 + 19881 = 10905^2 + 141^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3303841 + ... + 3303876.

Almost surely, 2^118938906 is an apocalyptic number.

118938906 is an abundant number, since it is smaller than the sum of its proper divisors (138762096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118938906 is a wasteful number, since it uses less digits than its factorization.

118938906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6607725 (or 6607722 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 118938906 is about 10905.9115162374. The cubic root of 118938906 is about 491.7842847721.

The spelling of 118938906 in words is "one hundred eighteen million, nine hundred thirty-eight thousand, nine hundred six".