122354542553 has 16 divisors (see below), whose sum is σ = 128697120000. Its totient is φ = 116154991680.

The previous prime is 122354542529. The next prime is 122354542579. The reversal of 122354542553 is 355245453221.

It is a cyclic number.

It is not a de Polignac number, because 122354542553 - 2⁶ = 122354542489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122354542553.

It is not an unprimeable number, because it can be changed into a prime (122354542753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5293700 + ... + 5316762.

It is an arithmetic number, because the mean of its divisors is an integer number (8043570000).

Almost surely, 2^122354542553 is an apocalyptic number.

It is an amenable number.

122354542553 is a deficient number, since it is larger than the sum of its proper divisors (6342577447).

122354542553 is a wasteful number, since it uses less digits than its factorization.

122354542553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26152.

The product of its digits is 720000, while the sum is 41.

Adding to 122354542553 its reverse (355245453221), we get a palindrome (477599995774).

The spelling of 122354542553 in words is "one hundred twenty-two billion, three hundred fifty-four million, five hundred forty-two thousand, five hundred fifty-three".