122404311 has 16 divisors (see below), whose sum is σ = 185764320. Its totient is φ = 79611840.

The previous prime is 122404297. The next prime is 122404351. The reversal of 122404311 is 113404221.

It is not a de Polignac number, because 122404311 - 2⁵ = 122404279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122404351) 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 15 ways as a sum of consecutive naturals, for example, 54180 + ... + 56393.

It is an arithmetic number, because the mean of its divisors is an integer number (11610270).

Almost surely, 2^122404311 is an apocalyptic number.

122404311 is a deficient number, since it is larger than the sum of its proper divisors (63360009).

122404311 is a wasteful number, since it uses less digits than its factorization.

122404311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110623 (or 110617 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 122404311 is about 11063.6481777034. The cubic root of 122404311 is about 496.5148451673.

Adding to 122404311 its reverse (113404221), we get a palindrome (235808532).

The spelling of 122404311 in words is "one hundred twenty-two million, four hundred four thousand, three hundred eleven".