122443130040 has 128 divisors (see below), whose sum is σ = 457969144320. Its totient is φ = 25442726400.

The previous prime is 122443130039. The next prime is 122443130041. The reversal of 122443130040 is 40031344221.

It is an interprime number because it is at equal distance from previous prime (122443130039) and next prime (122443130041).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122443130041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6616471 + ... + 6634950.

It is an arithmetic number, because the mean of its divisors is an integer number (3577883940).

Almost surely, 2^122443130040 is an apocalyptic number.

122443130040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122443130040 is an abundant number, since it is smaller than the sum of its proper divisors (335526014280).

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

122443130040 is a wasteful number, since it uses less digits than its factorization.

122443130040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13251453 (or 13251449 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 122443130040 its reverse (40031344221), we get a palindrome (162474474261).

The spelling of 122443130040 in words is "one hundred twenty-two billion, four hundred forty-three million, one hundred thirty thousand, forty".