121333433 has 8 divisors (see below), whose sum is σ = 132136200. Its totient is φ = 110740608.

The previous prime is 121333423. The next prime is 121333447. The reversal of 121333433 is 334333121.

It can be written as a sum of positive squares in 4 ways, for example, as 399424 + 120934009 = 632^2 + 10997^2 .

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 121333433 - 2⁴ = 121333417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121333399 and 121333408.

It is not an unprimeable number, because it can be changed into a prime (121333423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 51278 + ... + 53591.

It is an arithmetic number, because the mean of its divisors is an integer number (16517025).

Almost surely, 2^121333433 is an apocalyptic number.

121333433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121333433 is a deficient number, since it is larger than the sum of its proper divisors (10802767).

121333433 is a wasteful number, since it uses less digits than its factorization.

121333433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104971.

The product of its digits is 1944, while the sum is 23.

The square root of 121333433 is about 11015.1456186471. The cubic root of 121333433 is about 495.0626496224.

Adding to 121333433 its reverse (334333121), we get a palindrome (455666554).

The spelling of 121333433 in words is "one hundred twenty-one million, three hundred thirty-three thousand, four hundred thirty-three".