122438543 has 2 divisors, whose sum is σ = 122438544. Its totient is φ = 122438542.

The previous prime is 122438509. The next prime is 122438549. The reversal of 122438543 is 345834221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122438543 - 2⁶ = 122438479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122438549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61219271 + 61219272.

It is an arithmetic number, because the mean of its divisors is an integer number (61219272).

Almost surely, 2^122438543 is an apocalyptic number.

122438543 is a deficient number, since it is larger than the sum of its proper divisors (1).

122438543 is an equidigital number, since it uses as much as digits as its factorization.

122438543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 122438543 is about 11065.1951180266. The cubic root of 122438543 is about 496.5611265219.

The spelling of 122438543 in words is "one hundred twenty-two million, four hundred thirty-eight thousand, five hundred forty-three".