121143033 has 28 divisors (see below), whose sum is σ = 198156528. Its totient is φ = 73415160.

The previous prime is 121143007. The next prime is 121143049. The reversal of 121143033 is 330341121.

It is not a de Polignac number, because 121143033 - 2⁹ = 121142521 is a prime.

It is a super-3 number, since 3×121143033³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121142997 and 121143015.

It is not an unprimeable number, because it can be changed into a prime (121143053) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 466 + ... + 15572.

Almost surely, 2^121143033 is an apocalyptic number.

It is an amenable number.

121143033 is a deficient number, since it is larger than the sum of its proper divisors (77013495).

121143033 is an equidigital number, since it uses as much as digits as its factorization.

121143033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15136 (or 15121 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 121143033 is about 11006.4995797938. The cubic root of 121143033 is about 494.8035584158.

Adding to 121143033 its reverse (330341121), we get a palindrome (451484154).

It can be divided in two parts, 1211 and 43033, that added together give a palindrome (44244).

The spelling of 121143033 in words is "one hundred twenty-one million, one hundred forty-three thousand, thirty-three".