116821104 has 20 divisors (see below), whose sum is σ = 301787976. Its totient is φ = 38940352.

The previous prime is 116821091. The next prime is 116821109. The reversal of 116821104 is 401128611.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116821109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216839 + ... + 1216934.

Almost surely, 2^116821104 is an apocalyptic number.

It is an amenable number.

116821104 is an abundant number, since it is smaller than the sum of its proper divisors (184966872).

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

116821104 is a wasteful number, since it uses less digits than its factorization.

116821104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433784 (or 2433778 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 116821104 is about 10808.3811923895. The cubic root of 116821104 is about 488.8479167072.

Adding to 116821104 its reverse (401128611), we get a palindrome (517949715).

The spelling of 116821104 in words is "one hundred sixteen million, eight hundred twenty-one thousand, one hundred four".