122424557540 has 48 divisors (see below), whose sum is σ = 262965007872. Its totient is φ = 47854275456.

The previous prime is 122424557513. The next prime is 122424557557. The reversal of 122424557540 is 45755424221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514097 + ... + 713543.

It is an arithmetic number, because the mean of its divisors is an integer number (5478437664).

Almost surely, 2^122424557540 is an apocalyptic number.

122424557540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122424557540 is an abundant number, since it is smaller than the sum of its proper divisors (140540450332).

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

122424557540 is a wasteful number, since it uses less digits than its factorization.

122424557540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200156 (or 200154 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 41.

The spelling of 122424557540 in words is "one hundred twenty-two billion, four hundred twenty-four million, five hundred fifty-seven thousand, five hundred forty".