121024543 has 2 divisors, whose sum is σ = 121024544. Its totient is φ = 121024542.

The previous prime is 121024507. The next prime is 121024559. The reversal of 121024543 is 345420121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121024543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121024573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60512271 + 60512272.

It is an arithmetic number, because the mean of its divisors is an integer number (60512272).

Almost surely, 2^121024543 is an apocalyptic number.

121024543 is a deficient number, since it is larger than the sum of its proper divisors (1).

121024543 is an equidigital number, since it uses as much as digits as its factorization.

121024543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 121024543 is about 11001.1155343447. The cubic root of 121024543 is about 494.6421833380.

Adding to 121024543 its reverse (345420121), we get a palindrome (466444664).

The spelling of 121024543 in words is "one hundred twenty-one million, twenty-four thousand, five hundred forty-three".