122421305 has 8 divisors (see below), whose sum is σ = 147007872. Its totient is φ = 97868848.

The previous prime is 122421293. The next prime is 122421311. The reversal of 122421305 is 503124221.

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 122421305 - 2⁶ = 122421241 is a prime.

It is a Duffinian 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, 182 + ... + 15648.

It is an arithmetic number, because the mean of its divisors is an integer number (18375984).

Almost surely, 2^122421305 is an apocalyptic number.

It is an amenable number.

122421305 is a deficient number, since it is larger than the sum of its proper divisors (24586567).

122421305 is a wasteful number, since it uses less digits than its factorization.

122421305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17055.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 122421305 is about 11064.4161617322. The cubic root of 122421305 is about 496.5378219801.

Adding to 122421305 its reverse (503124221), we get a palindrome (625545526).

The spelling of 122421305 in words is "one hundred twenty-two million, four hundred twenty-one thousand, three hundred five".