118427121 has 24 divisors (see below), whose sum is σ = 176565480. Its totient is φ = 76432896.

The previous prime is 118427107. The next prime is 118427131. The reversal of 118427121 is 121724811.

118427121 is a `hidden beast` number, since 118 + 427 + 121 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 43362225 + 75064896 = 6585^2 + 8664^2 .

It is not a de Polignac number, because 118427121 - 2¹⁴ = 118410737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118427131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75481 + ... + 77033.

It is an arithmetic number, because the mean of its divisors is an integer number (7356895).

Almost surely, 2^118427121 is an apocalyptic number.

It is an amenable number.

118427121 is a deficient number, since it is larger than the sum of its proper divisors (58138359).

118427121 is a wasteful number, since it uses less digits than its factorization.

118427121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1822 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 118427121 is about 10882.4225703655. The cubic root of 118427121 is about 491.0779005958.

The spelling of 118427121 in words is "one hundred eighteen million, four hundred twenty-seven thousand, one hundred twenty-one".