121040533 has 2 divisors, whose sum is σ = 121040534. Its totient is φ = 121040532.

The previous prime is 121040449. The next prime is 121040539. The reversal of 121040533 is 335040121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68013009 + 53027524 = 8247^2 + 7282^2 .

It is a cyclic number.

It is not a de Polignac number, because 121040533 - 2⁹ = 121040021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121040533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121040539) 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 as a sum of consecutive naturals, namely, 60520266 + 60520267.

It is an arithmetic number, because the mean of its divisors is an integer number (60520267).

Almost surely, 2^121040533 is an apocalyptic number.

It is an amenable number.

121040533 is a deficient number, since it is larger than the sum of its proper divisors (1).

121040533 is an equidigital number, since it uses as much as digits as its factorization.

121040533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 121040533 is about 11001.8422548226. The cubic root of 121040533 is about 494.6639667438.

Adding to 121040533 its reverse (335040121), we get a palindrome (456080654).

The spelling of 121040533 in words is "one hundred twenty-one million, forty thousand, five hundred thirty-three".