122403571240 has 32 divisors (see below), whose sum is σ = 281812877280. Its totient is φ = 47822789952.

The previous prime is 122403571219. The next prime is 122403571249. The reversal of 122403571240 is 42175304221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122403571249) 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 7 ways as a sum of consecutive naturals, for example, 35580714 + ... + 35584153.

It is an arithmetic number, because the mean of its divisors is an integer number (8806652415).

Almost surely, 2^122403571240 is an apocalyptic number.

122403571240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122403571240 is an abundant number, since it is smaller than the sum of its proper divisors (159409306040).

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

122403571240 is a wasteful number, since it uses less digits than its factorization.

122403571240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71164921 (or 71164917 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 122403571240 its reverse (42175304221), we get a palindrome (164578875461).

The spelling of 122403571240 in words is "one hundred twenty-two billion, four hundred three million, five hundred seventy-one thousand, two hundred forty".