122534354477 has 2 divisors, whose sum is σ = 122534354478. Its totient is φ = 122534354476.

The previous prime is 122534354363. The next prime is 122534354563. The reversal of 122534354477 is 774453435221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119997116836 + 2537237641 = 346406^2 + 50371^2 .

It is an emirp because it is prime and its reverse (774453435221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122534354477 - 2¹⁰ = 122534353453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122534354977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61267177238 + 61267177239.

It is an arithmetic number, because the mean of its divisors is an integer number (61267177239).

Almost surely, 2^122534354477 is an apocalyptic number.

It is an amenable number.

122534354477 is a deficient number, since it is larger than the sum of its proper divisors (1).

122534354477 is an equidigital number, since it uses as much as digits as its factorization.

122534354477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 47.

Adding to 122534354477 its reverse (774453435221), we get a palindrome (896987789698).

The spelling of 122534354477 in words is "one hundred twenty-two billion, five hundred thirty-four million, three hundred fifty-four thousand, four hundred seventy-seven".