121340033 has 16 divisors (see below), whose sum is σ = 132922944. Its totient is φ = 110307840.

The previous prime is 121340027. The next prime is 121340053. The reversal of 121340033 is 330043121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121340033 - 2⁶ = 121339969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121339993 and 121340020.

It is not an unprimeable number, because it can be changed into a prime (121340003) 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 15 ways as a sum of consecutive naturals, for example, 73766 + ... + 75392.

It is an arithmetic number, because the mean of its divisors is an integer number (8307684).

Almost surely, 2^121340033 is an apocalyptic number.

It is an amenable number.

121340033 is a deficient number, since it is larger than the sum of its proper divisors (11582911).

121340033 is a wasteful number, since it uses less digits than its factorization.

121340033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 121340033 is about 11015.4452020788. The cubic root of 121340033 is about 495.0716258629.

Adding to 121340033 its reverse (330043121), we get a palindrome (451383154).

The spelling of 121340033 in words is "one hundred twenty-one million, three hundred forty thousand, thirty-three".