121033243 has 2 divisors, whose sum is σ = 121033244. Its totient is φ = 121033242.

The previous prime is 121033201. The next prime is 121033259. The reversal of 121033243 is 342330121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121033243 - 2⁹ = 121032731 is a prime.

It is a super-2 number, since 2×121033243² = 29298091822194098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121033243.

It is not a weakly prime, because it can be changed into another prime (121033043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60516621 + 60516622.

It is an arithmetic number, because the mean of its divisors is an integer number (60516622).

Almost surely, 2^121033243 is an apocalyptic number.

121033243 is a deficient number, since it is larger than the sum of its proper divisors (1).

121033243 is an equidigital number, since it uses as much as digits as its factorization.

121033243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 121033243 is about 11001.5109416843. The cubic root of 121033243 is about 494.6540357104.

Adding to 121033243 its reverse (342330121), we get a palindrome (463363364).

It can be divided in two parts, 1210 and 33243, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 121033243 in words is "one hundred twenty-one million, thirty-three thousand, two hundred forty-three".