120001116 has 24 divisors (see below), whose sum is σ = 285287184. Its totient is φ = 39245440.

The previous prime is 120001111. The next prime is 120001117. The reversal of 120001116 is 611100021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93705 + ... + 94976.

It is an arithmetic number, because the mean of its divisors is an integer number (11886966).

Almost surely, 2^120001116 is an apocalyptic number.

It is an amenable number.

120001116 is an abundant number, since it is smaller than the sum of its proper divisors (165286068).

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

120001116 is a wasteful number, since it uses less digits than its factorization.

120001116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188741 (or 188739 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 120001116 is about 10954.5020881827. The cubic root of 120001116 is about 493.2439439128.

Adding to 120001116 its reverse (611100021), we get a palindrome (731101137).

The spelling of 120001116 in words is "one hundred twenty million, one thousand, one hundred sixteen".