122621107305 has 32 divisors (see below), whose sum is σ = 203298336000. Its totient is φ = 63037275392.

The previous prime is 122621107237. The next prime is 122621107333. The reversal of 122621107305 is 503701126221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122621107305 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25267 + ... + 495863.

It is an arithmetic number, because the mean of its divisors is an integer number (6353073000).

Almost surely, 2^122621107305 is an apocalyptic number.

122621107305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122621107305 is a deficient number, since it is larger than the sum of its proper divisors (80677228695).

122621107305 is a wasteful number, since it uses less digits than its factorization.

122621107305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471233.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 122621107305 in words is "one hundred twenty-two billion, six hundred twenty-one million, one hundred seven thousand, three hundred five".