121004545053 has 32 divisors (see below), whose sum is σ = 185863751680. Its totient is φ = 68593262400.

The previous prime is 121004545049. The next prime is 121004545063. The reversal of 121004545053 is 350545400121.

It is not a de Polignac number, because 121004545053 - 2² = 121004545049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121004545053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121004545043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2317551 + ... + 2369187.

It is an arithmetic number, because the mean of its divisors is an integer number (5808242240).

Almost surely, 2^121004545053 is an apocalyptic number.

It is an amenable number.

121004545053 is a deficient number, since it is larger than the sum of its proper divisors (64859206627).

121004545053 is a wasteful number, since it uses less digits than its factorization.

121004545053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52537.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 121004545053 its reverse (350545400121), we get a palindrome (471549945174).

The spelling of 121004545053 in words is "one hundred twenty-one billion, four million, five hundred forty-five thousand, fifty-three".