122424427 has 2 divisors, whose sum is σ = 122424428. Its totient is φ = 122424426.

The previous prime is 122424413. The next prime is 122424437. The reversal of 122424427 is 724424221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122424427 - 2¹⁹ = 121900139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122424395 and 122424404.

It is not a weakly prime, because it can be changed into another prime (122424437) 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, 61212213 + 61212214.

It is an arithmetic number, because the mean of its divisors is an integer number (61212214).

Almost surely, 2^122424427 is an apocalyptic number.

122424427 is a deficient number, since it is larger than the sum of its proper divisors (1).

122424427 is an equidigital number, since it uses as much as digits as its factorization.

122424427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 28.

The square root of 122424427 is about 11064.5572437400. The cubic root of 122424427 is about 496.5420428628.

Adding to 122424427 its reverse (724424221), we get a palindrome (846848648).

It can be divided in two parts, 1224 and 24427, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 122424427 in words is "one hundred twenty-two million, four hundred twenty-four thousand, four hundred twenty-seven".