122404254555 has 32 divisors (see below), whose sum is σ = 213669485568. Its totient is φ = 59342400000.

The previous prime is 122404254551. The next prime is 122404254559. The reversal of 122404254555 is 555452404221.

It is an interprime number because it is at equal distance from previous prime (122404254551) and next prime (122404254559).

It is not a de Polignac number, because 122404254555 - 2² = 122404254551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122404254551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2486430 + ... + 2535180.

It is an arithmetic number, because the mean of its divisors is an integer number (6677171424).

Almost surely, 2^122404254555 is an apocalyptic number.

122404254555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122404254555 is a deficient number, since it is larger than the sum of its proper divisors (91265231013).

122404254555 is a wasteful number, since it uses less digits than its factorization.

122404254555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63987.

The product of its (nonzero) digits is 320000, while the sum is 39.

Adding to 122404254555 its reverse (555452404221), we get a palindrome (677856658776).

The spelling of 122404254555 in words is "one hundred twenty-two billion, four hundred four million, two hundred fifty-four thousand, five hundred fifty-five".