121112433 has 48 divisors (see below), whose sum is σ = 196110096. Its totient is φ = 71539200.

The previous prime is 121112399. The next prime is 121112449. The reversal of 121112433 is 334211121.

121112433 is a `hidden beast` number, since 121 + 112 + 433 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2585664 + 118526769 = 1608^2 + 10887^2 .

It is not a de Polignac number, because 121112433 - 2⁸ = 121112177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121112333) 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 47 ways as a sum of consecutive naturals, for example, 437091 + ... + 437367.

It is an arithmetic number, because the mean of its divisors is an integer number (4085627).

Almost surely, 2^121112433 is an apocalyptic number.

121112433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121112433 is a deficient number, since it is larger than the sum of its proper divisors (74997663).

121112433 is a wasteful number, since it uses less digits than its factorization.

121112433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 431 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 121112433 is about 11005.1094042722. The cubic root of 121112433 is about 494.7618934419.

Adding to 121112433 its reverse (334211121), we get a palindrome (455323554).

The spelling of 121112433 in words is "one hundred twenty-one million, one hundred twelve thousand, four hundred thirty-three".