122554342204355 has 4 divisors (see below), whose sum is σ = 147065210645232. Its totient is φ = 98043473763480.

The previous prime is 122554342204337. The next prime is 122554342204367. The reversal of 122554342204355 is 553402243455221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122554342204355 - 2⁶ = 122554342204291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12255434220431 + ... + 12255434220440.

It is an arithmetic number, because the mean of its divisors is an integer number (36766302661308).

Almost surely, 2^{122554342204355} is an apocalyptic number.

122554342204355 is a deficient number, since it is larger than the sum of its proper divisors (24510868440877).

122554342204355 is an equidigital number, since it uses as much as digits as its factorization.

122554342204355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24510868440876.

The product of its (nonzero) digits is 5760000, while the sum is 47.

Adding to 122554342204355 its reverse (553402243455221), we get a palindrome (675956585659576).

The spelling of 122554342204355 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, three hundred forty-two million, two hundred four thousand, three hundred fifty-five".