122603541066 has 144 divisors (see below), whose sum is σ = 289156742784. Its totient is φ = 37445779008.

The previous prime is 122603541059. The next prime is 122603541101. The reversal of 122603541066 is 660145306221.

122603541066 is a `hidden beast` number, since 1 + 2 + 2 + 603 + 5 + 41 + 0 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 122603541066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 68761611 + ... + 68763393.

It is an arithmetic number, because the mean of its divisors is an integer number (2008032936).

Almost surely, 2^122603541066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122603541066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144578371392).

122603541066 is an abundant number, since it is smaller than the sum of its proper divisors (166553201718).

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

122603541066 is a wasteful number, since it uses less digits than its factorization.

122603541066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 122603541066 its reverse (660145306221), we get a palindrome (782748847287).

The spelling of 122603541066 in words is "one hundred twenty-two billion, six hundred three million, five hundred forty-one thousand, sixty-six".