121304633 has 4 divisors (see below), whose sum is σ = 121469520. Its totient is φ = 121139748.

The previous prime is 121304627. The next prime is 121304657. The reversal of 121304633 is 336403121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 336403121 = 647 ⋅519943.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121304633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121304599 and 121304608.

It is not an unprimeable number, because it can be changed into a prime (121304663) 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 3 ways as a sum of consecutive naturals, for example, 81335 + ... + 82812.

It is an arithmetic number, because the mean of its divisors is an integer number (30367380).

Almost surely, 2^121304633 is an apocalyptic number.

It is an amenable number.

121304633 is a deficient number, since it is larger than the sum of its proper divisors (164887).

121304633 is an equidigital number, since it uses as much as digits as its factorization.

121304633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164886.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 121304633 is about 11013.8382501288. The cubic root of 121304633 is about 495.0234767629.

Adding to 121304633 its reverse (336403121), we get a palindrome (457707754).

The spelling of 121304633 in words is "one hundred twenty-one million, three hundred four thousand, six hundred thirty-three".