121530033 has 12 divisors (see below), whose sum is σ = 175885840. Its totient is φ = 80861976.

The previous prime is 121529987. The next prime is 121530041. The reversal of 121530033 is 330035121.

It is not a de Polignac number, because 121530033 - 2⁹ = 121529521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121529988 and 121530015.

It is not an unprimeable number, because it can be changed into a prime (121534033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8203 + ... + 17616.

Almost surely, 2^121530033 is an apocalyptic number.

It is an amenable number.

121530033 is a deficient number, since it is larger than the sum of its proper divisors (54355807).

121530033 is a wasteful number, since it uses less digits than its factorization.

121530033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26348 (or 26345 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 121530033 is about 11024.0660828934. The cubic root of 121530033 is about 495.3298933471.

Adding to 121530033 its reverse (330035121), we get a palindrome (451565154).

The spelling of 121530033 in words is "one hundred twenty-one million, five hundred thirty thousand, thirty-three".