118238427 has 16 divisors (see below), whose sum is σ = 176290080. Its totient is φ = 78320736.

The previous prime is 118238401. The next prime is 118238443. The reversal of 118238427 is 724832811.

It is not a de Polignac number, because 118238427 - 2⁶ = 118238363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118238391 and 118238400.

It is not an unprimeable number, because it can be changed into a prime (118238447) 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, 9708 + ... + 18185.

It is an arithmetic number, because the mean of its divisors is an integer number (11018130).

Almost surely, 2^118238427 is an apocalyptic number.

118238427 is a deficient number, since it is larger than the sum of its proper divisors (58051653).

118238427 is a wasteful number, since it uses less digits than its factorization.

118238427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28059 (or 28053 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 118238427 is about 10873.7494453385. The cubic root of 118238427 is about 490.8169448541.

The spelling of 118238427 in words is "one hundred eighteen million, two hundred thirty-eight thousand, four hundred twenty-seven".