122555231420454 has 96 divisors (see below), whose sum is σ = 317256286456800. Its totient is φ = 34966392310080.

The previous prime is 122555231420407. The next prime is 122555231420579. The reversal of 122555231420454 is 454024132555221.

122555231420454 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 5 + 52 + 3 + 142 + 0 + 454 = 666.

It is a super-2 number, since 2×122555231420454² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30787717 + ... + 34539744.

It is an arithmetic number, because the mean of its divisors is an integer number (3304752983925).

Almost surely, 2^{122555231420454} is an apocalyptic number.

122555231420454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122555231420454 is an abundant number, since it is smaller than the sum of its proper divisors (194701055036346).

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

122555231420454 is a wasteful number, since it uses less digits than its factorization.

122555231420454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65328195 (or 65328182 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

Adding to 122555231420454 its reverse (454024132555221), we get a palindrome (576579363975675).

The spelling of 122555231420454 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, four hundred twenty thousand, four hundred fifty-four".