122420411 has 4 divisors (see below), whose sum is σ = 122743800. Its totient is φ = 122097024.

The previous prime is 122420393. The next prime is 122420413. The reversal of 122420411 is 114024221.

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 122420411 - 2²⁶ = 55311547 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 122420411.

It is not an unprimeable number, because it can be changed into a prime (122420413) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 161126 + ... + 161883.

It is an arithmetic number, because the mean of its divisors is an integer number (30685950).

Almost surely, 2^122420411 is an apocalyptic number.

122420411 is a deficient number, since it is larger than the sum of its proper divisors (323389).

122420411 is an equidigital number, since it uses as much as digits as its factorization.

122420411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323388.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 122420411 is about 11064.3757618765. The cubic root of 122420411 is about 496.5366132964.

Adding to 122420411 its reverse (114024221), we get a palindrome (236444632).

The spelling of 122420411 in words is "one hundred twenty-two million, four hundred twenty thousand, four hundred eleven".