122660321603 has 4 divisors (see below), whose sum is σ = 127993379088. Its totient is φ = 117327264120.

The previous prime is 122660321587. The next prime is 122660321633. The reversal of 122660321603 is 306123066221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122660321603 - 2⁴ = 122660321587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122660321603.

It is not an unprimeable number, because it can be changed into a prime (122660321633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666528708 + ... + 2666528753.

It is an arithmetic number, because the mean of its divisors is an integer number (31998344772).

Almost surely, 2^122660321603 is an apocalyptic number.

122660321603 is a deficient number, since it is larger than the sum of its proper divisors (5333057485).

122660321603 is an equidigital number, since it uses as much as digits as its factorization.

122660321603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333057484.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 122660321603 its reverse (306123066221), we get a palindrome (428783387824).

The spelling of 122660321603 in words is "one hundred twenty-two billion, six hundred sixty million, three hundred twenty-one thousand, six hundred three".