121436116 has 12 divisors (see below), whose sum is σ = 215997460. Its totient is φ = 59722560.

The previous prime is 121436111. The next prime is 121436123. The reversal of 121436116 is 611634121.

It can be written as a sum of positive squares in 2 ways, for example, as 1971216 + 119464900 = 1404^2 + 10930^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121436111) 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, 248601 + ... + 249088.

Almost surely, 2^121436116 is an apocalyptic number.

It is an amenable number.

121436116 is a deficient number, since it is larger than the sum of its proper divisors (94561344).

121436116 is a wasteful number, since it uses less digits than its factorization.

121436116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497754 (or 497752 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 121436116 is about 11019.8056244201. The cubic root of 121436116 is about 495.2022653994.

The spelling of 121436116 in words is "one hundred twenty-one million, four hundred thirty-six thousand, one hundred sixteen".