122404505402 has 8 divisors (see below), whose sum is σ = 183822008916. Its totient is φ = 61130502432.

The previous prime is 122404505393. The next prime is 122404505417. The reversal of 122404505402 is 204505404221.

It can be written as a sum of positive squares in 2 ways, for example, as 122233445161 + 171060241 = 349619^2 + 13079^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35873003 + ... + 35876414.

Almost surely, 2^122404505402 is an apocalyptic number.

122404505402 is a deficient number, since it is larger than the sum of its proper divisors (61417503514).

122404505402 is an equidigital number, since it uses as much as digits as its factorization.

122404505402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71750272.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 122404505402 its reverse (204505404221), we get a palindrome (326909909623).

The spelling of 122404505402 in words is "one hundred twenty-two billion, four hundred four million, five hundred five thousand, four hundred two".