122550241005 has 16 divisors (see below), whose sum is σ = 217867095360. Its totient is φ = 65360128464.

The previous prime is 122550241001. The next prime is 122550241031. The reversal of 122550241005 is 500142055221.

122550241005 is a `hidden beast` number, since 1 + 2 + 2 + 550 + 2 + 4 + 100 + 5 = 666.

It is not a de Polignac number, because 122550241005 - 2² = 122550241001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 122550241005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122550241001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453889647 + ... + 453889916.

It is an arithmetic number, because the mean of its divisors is an integer number (13616693460).

Almost surely, 2^122550241005 is an apocalyptic number.

122550241005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122550241005 is a deficient number, since it is larger than the sum of its proper divisors (95316854355).

122550241005 is an equidigital number, since it uses as much as digits as its factorization.

122550241005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907779577 (or 907779571 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 122550241005 its reverse (500142055221), we get a palindrome (622692296226).

The spelling of 122550241005 in words is "one hundred twenty-two billion, five hundred fifty million, two hundred forty-one thousand, five".