121134252104665 has 8 divisors (see below), whose sum is σ = 145361441607048. Its totient is φ = 96907175629440.

The previous prime is 121134252104653. The next prime is 121134252104731. The reversal of 121134252104665 is 566401252431121.

It can be written as a sum of positive squares in 4 ways, for example, as 14000491008729 + 107133761095936 = 3741723^2 + 10350544^2 .

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

It is not a de Polignac number, because 121134252104665 - 2⁹ = 121134252104153 is a prime.

It is a super-2 number, since 2×121134252104665² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25880826 + ... + 30200755.

It is an arithmetic number, because the mean of its divisors is an integer number (18170180200881).

Almost surely, 2^{121134252104665} is an apocalyptic number.

It is an amenable number.

121134252104665 is a deficient number, since it is larger than the sum of its proper divisors (24227189502383).

121134252104665 is an equidigital number, since it uses as much as digits as its factorization.

121134252104665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56513579.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 121134252104665 in words is "one hundred twenty-one trillion, one hundred thirty-four billion, two hundred fifty-two million, one hundred four thousand, six hundred sixty-five".