122343125534140 has 192 divisors, whose sum is σ = 298520346378240. Its totient is φ = 41251199109120.

The previous prime is 122343125534101. The next prime is 122343125534141. The reversal of 122343125534140 is 41435521343221.

It is a junction number, because it is equal to n+sod(n) for n = 122343125534093 and 122343125534102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122343125534141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2941131822 + ... + 2941173418.

It is an arithmetic number, because the mean of its divisors is an integer number (1554793470720).

Almost surely, 2^{122343125534140} is an apocalyptic number.

122343125534140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122343125534140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149260173189120).

122343125534140 is an abundant number, since it is smaller than the sum of its proper divisors (176177220844100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122343125534140 is a wasteful number, since it uses less digits than its factorization.

122343125534140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42740 (or 42738 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 122343125534140 its reverse (41435521343221), we get a palindrome (163778646877361).

The spelling of 122343125534140 in words is "one hundred twenty-two trillion, three hundred forty-three billion, one hundred twenty-five million, five hundred thirty-four thousand, one hundred forty".