122402021435255 has 8 divisors (see below), whose sum is σ = 146882729512512. Its totient is φ = 97921414621408.

The previous prime is 122402021435251. The next prime is 122402021435257. The reversal of 122402021435255 is 552534120204221.

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 122402021435255 - 2² = 122402021435251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122402021435251) 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, 22630712 + ... + 27512781.

It is an arithmetic number, because the mean of its divisors is an integer number (18360341189064).

Almost surely, 2^{122402021435255} is an apocalyptic number.

122402021435255 is a deficient number, since it is larger than the sum of its proper divisors (24480708077257).

122402021435255 is an equidigital number, since it uses as much as digits as its factorization.

122402021435255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50631705.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 122402021435255 its reverse (552534120204221), we get a palindrome (674936141639476).

The spelling of 122402021435255 in words is "one hundred twenty-two trillion, four hundred two billion, twenty-one million, four hundred thirty-five thousand, two hundred fifty-five".