122530344121 has 4 divisors (see below), whose sum is σ = 123675487632. Its totient is φ = 121385200612.

The previous prime is 122530344109. The next prime is 122530344137. The reversal of 122530344121 is 121443035221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121443035221 = 302459 ⋅401519.

It is a cyclic number.

It is not a de Polignac number, because 122530344121 - 2⁷ = 122530343993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122530344121.

It is not an unprimeable number, because it can be changed into a prime (122530344421) 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, 572571595 + ... + 572571808.

It is an arithmetic number, because the mean of its divisors is an integer number (30918871908).

Almost surely, 2^122530344121 is an apocalyptic number.

It is an amenable number.

122530344121 is a deficient number, since it is larger than the sum of its proper divisors (1145143511).

122530344121 is a wasteful number, since it uses less digits than its factorization.

122530344121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145143510.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 122530344121 its reverse (121443035221), we get a palindrome (243973379342).

The spelling of 122530344121 in words is "one hundred twenty-two billion, five hundred thirty million, three hundred forty-four thousand, one hundred twenty-one".