122552125505 has 8 divisors (see below), whose sum is σ = 147526472232. Its totient is φ = 97732419328.

The previous prime is 122552125441. The next prime is 122552125517. The reversal of 122552125505 is 505521255221.

It can be written as a sum of positive squares in 4 ways, for example, as 1311671089 + 121240454416 = 36217^2 + 348196^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 122552125505 - 2⁶ = 122552125441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38658392 + ... + 38661561.

It is an arithmetic number, because the mean of its divisors is an integer number (18440809029).

Almost surely, 2^122552125505 is an apocalyptic number.

It is an amenable number.

122552125505 is a deficient number, since it is larger than the sum of its proper divisors (24974346727).

122552125505 is an equidigital number, since it uses as much as digits as its factorization.

122552125505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77320275.

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 122552125505 in words is "one hundred twenty-two billion, five hundred fifty-two million, one hundred twenty-five thousand, five hundred five".