122043555040 has 96 divisors (see below), whose sum is σ = 314912144736. Its totient is φ = 44326901760.

The previous prime is 122043555017. The next prime is 122043555041. The reversal of 122043555040 is 40555340221.

It is a junction number, because it is equal to n+sod(n) for n = 122043554993 and 122043555011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122043555041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460634 + ... + 1541926.

It is an arithmetic number, because the mean of its divisors is an integer number (3280334841).

Almost surely, 2^122043555040 is an apocalyptic number.

122043555040 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 122043555040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157456072368).

122043555040 is an abundant number, since it is smaller than the sum of its proper divisors (192868589696).

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

122043555040 is a wasteful number, since it uses less digits than its factorization.

122043555040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82172 (or 82164 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 122043555040 its reverse (40555340221), we get a palindrome (162598895261).

The spelling of 122043555040 in words is "one hundred twenty-two billion, forty-three million, five hundred fifty-five thousand, forty".