122424551 has 2 divisors, whose sum is σ = 122424552. Its totient is φ = 122424550.

The previous prime is 122424529. The next prime is 122424557. The reversal of 122424551 is 155424221.

It is a strong prime.

It is an emirp because it is prime and its reverse (155424221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122424551 - 2¹⁰ = 122423527 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122424551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122424557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61212275 + 61212276.

It is an arithmetic number, because the mean of its divisors is an integer number (61212276).

Almost surely, 2^122424551 is an apocalyptic number.

122424551 is a deficient number, since it is larger than the sum of its proper divisors (1).

122424551 is an equidigital number, since it uses as much as digits as its factorization.

122424551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3200, while the sum is 26.

The square root of 122424551 is about 11064.5628472163. The cubic root of 122424551 is about 496.5422105068.

Adding to 122424551 its reverse (155424221), we get a palindrome (277848772).

The spelling of 122424551 in words is "one hundred twenty-two million, four hundred twenty-four thousand, five hundred fifty-one".