122535120243 has 32 divisors (see below), whose sum is σ = 168454843200. Its totient is φ = 79192995840.

The previous prime is 122535120223. The next prime is 122535120263. The reversal of 122535120243 is 342021535221.

It is an interprime number because it is at equal distance from previous prime (122535120223) and next prime (122535120263).

It is not a de Polignac number, because 122535120243 - 2⁶ = 122535120179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122535120243.

It is not an unprimeable number, because it can be changed into a prime (122535120223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26354983 + ... + 26359631.

It is an arithmetic number, because the mean of its divisors is an integer number (5264213850).

Almost surely, 2^122535120243 is an apocalyptic number.

122535120243 is a deficient number, since it is larger than the sum of its proper divisors (45919722957).

122535120243 is a wasteful number, since it uses less digits than its factorization.

122535120243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6759.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 122535120243 its reverse (342021535221), we get a palindrome (464556655464).

The spelling of 122535120243 in words is "one hundred twenty-two billion, five hundred thirty-five million, one hundred twenty thousand, two hundred forty-three".