122404011 has 4 divisors (see below), whose sum is σ = 163205352. Its totient is φ = 81602672.

The previous prime is 122403923. The next prime is 122404013. The reversal of 122404011 is 110404221.

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 122404011 - 2¹⁵ = 122371243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122404013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20400666 + ... + 20400671.

It is an arithmetic number, because the mean of its divisors is an integer number (40801338).

Almost surely, 2^122404011 is an apocalyptic number.

122404011 is a deficient number, since it is larger than the sum of its proper divisors (40801341).

122404011 is an equidigital number, since it uses as much as digits as its factorization.

122404011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40801340.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 122404011 is about 11063.6346197802. The cubic root of 122404011 is about 496.5144395318.

Adding to 122404011 its reverse (110404221), we get a palindrome (232808232).

The spelling of 122404011 in words is "one hundred twenty-two million, four hundred four thousand, eleven".