121351116 has 12 divisors (see below), whose sum is σ = 283152632. Its totient is φ = 40450368.

The previous prime is 121351099. The next prime is 121351121. The reversal of 121351116 is 611153121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 121351092 and 121351101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5056285 + ... + 5056308.

Almost surely, 2^121351116 is an apocalyptic number.

It is an amenable number.

121351116 is an abundant number, since it is smaller than the sum of its proper divisors (161801516).

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

121351116 is a wasteful number, since it uses less digits than its factorization.

121351116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10112600 (or 10112598 counting only the distinct ones).

The product of its digits is 180, while the sum is 21.

The square root of 121351116 is about 11015.9482569591. The cubic root of 121351116 is about 495.0866984147.

The spelling of 121351116 in words is "one hundred twenty-one million, three hundred fifty-one thousand, one hundred sixteen".