121235163 has 24 divisors (see below), whose sum is σ = 188551440. Its totient is φ = 69088320.

The previous prime is 121235111. The next prime is 121235171. The reversal of 121235163 is 361532121.

It is not a de Polignac number, because 121235163 - 2⁹ = 121234651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121235183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66873 + ... + 68661.

It is an arithmetic number, because the mean of its divisors is an integer number (7856310).

Almost surely, 2^121235163 is an apocalyptic number.

121235163 is a deficient number, since it is larger than the sum of its proper divisors (67316277).

121235163 is a wasteful number, since it uses less digits than its factorization.

121235163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267 (or 2260 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 121235163 is about 11010.6840386962. The cubic root of 121235163 is about 494.9289603185.

Adding to 121235163 its reverse (361532121), we get a palindrome (482767284).

The spelling of 121235163 in words is "one hundred twenty-one million, two hundred thirty-five thousand, one hundred sixty-three".