122555303121551 has 8 divisors (see below), whose sum is σ = 124484177155104. Its totient is φ = 120632060838240.

The previous prime is 122555303121539. The next prime is 122555303121571. The reversal of 122555303121551 is 155121303555221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122555303121551 - 2³⁴ = 122538123252367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122555303121499 and 122555303121508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555303121571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407893696 + ... + 1407980741.

It is an arithmetic number, because the mean of its divisors is an integer number (15560522144388).

Almost surely, 2^{122555303121551} is an apocalyptic number.

122555303121551 is a deficient number, since it is larger than the sum of its proper divisors (1928874033553).

122555303121551 is an equidigital number, since it uses as much as digits as its factorization.

122555303121551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815875121.

The product of its (nonzero) digits is 225000, while the sum is 41.

Adding to 122555303121551 its reverse (155121303555221), we get a palindrome (277676606676772).

The spelling of 122555303121551 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred three million, one hundred twenty-one thousand, five hundred fifty-one".