121248312053 has 16 divisors (see below), whose sum is σ = 134977223232. Its totient is φ = 107976960000.

The previous prime is 121248312019. The next prime is 121248312077. The reversal of 121248312053 is 350213842121.

It is a cyclic number.

It is not a de Polignac number, because 121248312053 - 2¹⁰ = 121248311029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121248312253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 211478 + ... + 535928.

It is an arithmetic number, because the mean of its divisors is an integer number (8436076452).

Almost surely, 2^121248312053 is an apocalyptic number.

It is an amenable number.

121248312053 is a deficient number, since it is larger than the sum of its proper divisors (13728911179).

121248312053 is a wasteful number, since it uses less digits than its factorization.

121248312053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325156.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 121248312053 in words is "one hundred twenty-one billion, two hundred forty-eight million, three hundred twelve thousand, fifty-three".