122615526040 has 64 divisors (see below), whose sum is σ = 319737922560. Its totient is φ = 41447495040.

The previous prime is 122615525953. The next prime is 122615526049. The reversal of 122615526040 is 40625516221.

122615526040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 122615525987 and 122615526005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122615526049) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3064012 + ... + 3103771.

It is an arithmetic number, because the mean of its divisors is an integer number (4995905040).

Almost surely, 2^122615526040 is an apocalyptic number.

122615526040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122615526040 is an abundant number, since it is smaller than the sum of its proper divisors (197122396520).

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

122615526040 is a wasteful number, since it uses less digits than its factorization.

122615526040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167872 (or 6167868 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 122615526040 in words is "one hundred twenty-two billion, six hundred fifteen million, five hundred twenty-six thousand, forty".