122544553340540 has 48 divisors (see below), whose sum is σ = 258094438898688. Its totient is φ = 48874820696064.

The previous prime is 122544553340507. The next prime is 122544553340603. The reversal of 122544553340540 is 45043355445221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83306054 + ... + 84764306.

It is an arithmetic number, because the mean of its divisors is an integer number (5376967477056).

Almost surely, 2^{122544553340540} is an apocalyptic number.

122544553340540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122544553340540 is an abundant number, since it is smaller than the sum of its proper divisors (135549885558148).

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

122544553340540 is a wasteful number, since it uses less digits than its factorization.

122544553340540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470518 (or 1470516 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 47.

The spelling of 122544553340540 in words is "one hundred twenty-two trillion, five hundred forty-four billion, five hundred fifty-three million, three hundred forty thousand, five hundred forty".