122487407140 has 24 divisors (see below), whose sum is σ = 293969777472. Its totient is φ = 41995682400.

The previous prime is 122487407137. The next prime is 122487407197. The reversal of 122487407140 is 41704784221.

It is a junction number, because it is equal to n+sod(n) for n = 122487407093 and 122487407102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437454886 + ... + 437455165.

It is an arithmetic number, because the mean of its divisors is an integer number (12248740728).

Almost surely, 2^122487407140 is an apocalyptic number.

122487407140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122487407140 is an abundant number, since it is smaller than the sum of its proper divisors (171482370332).

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

122487407140 is a wasteful number, since it uses less digits than its factorization.

122487407140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874910067 (or 874910065 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The spelling of 122487407140 in words is "one hundred twenty-two billion, four hundred eighty-seven million, four hundred seven thousand, one hundred forty".