122430043 has 2 divisors, whose sum is σ = 122430044. Its totient is φ = 122430042.

The previous prime is 122430037. The next prime is 122430109. The reversal of 122430043 is 340034221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122430043 - 2¹³ = 122421851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122430043.

It is not a weakly prime, because it can be changed into another prime (122430443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61215021 + 61215022.

It is an arithmetic number, because the mean of its divisors is an integer number (61215022).

Almost surely, 2^122430043 is an apocalyptic number.

122430043 is a deficient number, since it is larger than the sum of its proper divisors (1).

122430043 is an equidigital number, since it uses as much as digits as its factorization.

122430043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 122430043 is about 11064.8110241432. The cubic root of 122430043 is about 496.5496354038.

Adding to 122430043 its reverse (340034221), we get a palindrome (462464264).

The spelling of 122430043 in words is "one hundred twenty-two million, four hundred thirty thousand, forty-three".