122025135520 has 48 divisors (see below), whose sum is σ = 288876526848. Its totient is φ = 48709797120.

The previous prime is 122025135503. The next prime is 122025135539. The reversal of 122025135520 is 25531520221.

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 7 ways as a sum of consecutive naturals, for example, 705096 + ... + 860935.

It is an arithmetic number, because the mean of its divisors is an integer number (6018260976).

Almost surely, 2^122025135520 is an apocalyptic number.

122025135520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122025135520 is an abundant number, since it is smaller than the sum of its proper divisors (166851391328).

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

122025135520 is a wasteful number, since it uses less digits than its factorization.

122025135520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566533 (or 1566525 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 122025135520 its reverse (25531520221), we get a palindrome (147556655741).

The spelling of 122025135520 in words is "one hundred twenty-two billion, twenty-five million, one hundred thirty-five thousand, five hundred twenty".