118215038 has 4 divisors (see below), whose sum is σ = 177322560. Its totient is φ = 59107518.

The previous prime is 118214989. The next prime is 118215061. The reversal of 118215038 is 830512811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830512811 = 239 ⋅3474949.

It is a self number, because there is not a number n which added to its sum of digits gives 118215038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29553758 + ... + 29553761.

It is an arithmetic number, because the mean of its divisors is an integer number (44330640).

Almost surely, 2^118215038 is an apocalyptic number.

118215038 is a deficient number, since it is larger than the sum of its proper divisors (59107522).

118215038 is an equidigital number, since it uses as much as digits as its factorization.

118215038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59107521.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 118215038 is about 10872.6739121524. The cubic root of 118215038 is about 490.7845795313.

Adding to 118215038 its reverse (830512811), we get a palindrome (948727849).

The spelling of 118215038 in words is "one hundred eighteen million, two hundred fifteen thousand, thirty-eight".