121115233 has 8 divisors (see below), whose sum is σ = 125346816. Its totient is φ = 116904000.

The previous prime is 121115231. The next prime is 121115237. The reversal of 121115233 is 332511121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121115233 - 2¹ = 121115231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121115233.

It is not an unprimeable number, because it can be changed into a prime (121115231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7560 + ... + 17302.

It is an arithmetic number, because the mean of its divisors is an integer number (15668352).

Almost surely, 2^121115233 is an apocalyptic number.

It is an amenable number.

121115233 is a deficient number, since it is larger than the sum of its proper divisors (4231583).

121115233 is an equidigital number, since it uses as much as digits as its factorization.

121115233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175.

The product of its digits is 180, while the sum is 19.

The square root of 121115233 is about 11005.2366171746. The cubic root of 121115233 is about 494.7657062149.

Adding to 121115233 its reverse (332511121), we get a palindrome (453626354).

The spelling of 121115233 in words is "one hundred twenty-one million, one hundred fifteen thousand, two hundred thirty-three".