122655454530 has 128 divisors (see below), whose sum is σ = 339067814400. Its totient is φ = 27815854080.

The previous prime is 122655454517. The next prime is 122655454543. The reversal of 122655454530 is 35454556221.

It is an interprime number because it is at equal distance from previous prime (122655454517) and next prime (122655454543).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38078320 + ... + 38081540.

It is an arithmetic number, because the mean of its divisors is an integer number (2648967300).

Almost surely, 2^122655454530 is an apocalyptic number.

122655454530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122655454530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169533907200).

122655454530 is an abundant number, since it is smaller than the sum of its proper divisors (216412359870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122655454530 is a wasteful number, since it uses less digits than its factorization.

122655454530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 122655454530 in words is "one hundred twenty-two billion, six hundred fifty-five million, four hundred fifty-four thousand, five hundred thirty".