108821158 has 4 divisors (see below), whose sum is σ = 163231740. Its totient is φ = 54410578.

The previous prime is 108821149. The next prime is 108821159. The reversal of 108821158 is 851128801.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108821159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27205288 + ... + 27205291.

It is an arithmetic number, because the mean of its divisors is an integer number (40807935).

Almost surely, 2^108821158 is an apocalyptic number.

108821158 is a deficient number, since it is larger than the sum of its proper divisors (54410582).

108821158 is an equidigital number, since it uses as much as digits as its factorization.

108821158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54410581.

The product of its (nonzero) digits is 5120, while the sum is 34.

The square root of 108821158 is about 10431.7380143483. The cubic root of 108821158 is about 477.4242204973.

Adding to 108821158 its reverse (851128801), we get a palindrome (959949959).

The spelling of 108821158 in words is "one hundred eight million, eight hundred twenty-one thousand, one hundred fifty-eight".