122555340532243 has 4 divisors (see below), whose sum is σ = 122593747097808. Its totient is φ = 122516933966680.

The previous prime is 122555340532193. The next prime is 122555340532277. The reversal of 122555340532243 is 342235043555221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122555340532243 - 2²⁹ = 122554803661331 is a prime.

It is a super-2 number, since 2×122555340532243² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122555340532193 and 122555340532202.

It is not an unprimeable number, because it can be changed into a prime (122555340532343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19203277996 + ... + 19203284377.

It is an arithmetic number, because the mean of its divisors is an integer number (30648436774452).

Almost surely, 2^{122555340532243} is an apocalyptic number.

122555340532243 is a deficient number, since it is larger than the sum of its proper divisors (38406565565).

122555340532243 is an equidigital number, since it uses as much as digits as its factorization.

122555340532243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38406565564.

The product of its (nonzero) digits is 4320000, while the sum is 46.

The spelling of 122555340532243 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, three hundred forty million, five hundred thirty-two thousand, two hundred forty-three".