122557436752 has 20 divisors (see below), whose sum is σ = 249952667680. Its totient is φ = 58053522528.

The previous prime is 122557436717. The next prime is 122557436767. The reversal of 122557436752 is 257634755221.

It is a junction number, because it is equal to n+sod(n) for n = 122557436696 and 122557436705.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 201574428 + ... + 201575035.

It is an arithmetic number, because the mean of its divisors is an integer number (12497633384).

Almost surely, 2^122557436752 is an apocalyptic number.

It is an amenable number.

122557436752 is an abundant number, since it is smaller than the sum of its proper divisors (127395230928).

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

122557436752 is a wasteful number, since it uses less digits than its factorization.

122557436752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403149490 (or 403149484 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 49.

The spelling of 122557436752 in words is "one hundred twenty-two billion, five hundred fifty-seven million, four hundred thirty-six thousand, seven hundred fifty-two".