122408281605 has 8 divisors (see below), whose sum is σ = 195853250592. Its totient is φ = 65284416848.

The previous prime is 122408281579. The next prime is 122408281613. The reversal of 122408281605 is 506182804221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122408281605 - 2⁵ = 122408281573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4080276039 + ... + 4080276068.

It is an arithmetic number, because the mean of its divisors is an integer number (24481656324).

Almost surely, 2^122408281605 is an apocalyptic number.

122408281605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122408281605 is a deficient number, since it is larger than the sum of its proper divisors (73444968987).

122408281605 is an equidigital number, since it uses as much as digits as its factorization.

122408281605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8160552115.

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 122408281605 in words is "one hundred twenty-two billion, four hundred eight million, two hundred eighty-one thousand, six hundred five".