121087385453 has 8 divisors (see below), whose sum is σ = 129620752800. Its totient is φ = 112770052848.

The previous prime is 121087385449. The next prime is 121087385467. The reversal of 121087385453 is 354583780121.

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 121087385453 - 2² = 121087385449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121087385398 and 121087385407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121087325453) 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 7 ways as a sum of consecutive naturals, for example, 54007526 + ... + 54009767.

It is an arithmetic number, because the mean of its divisors is an integer number (16202594100).

Almost surely, 2^121087385453 is an apocalyptic number.

It is an amenable number.

121087385453 is a deficient number, since it is larger than the sum of its proper divisors (8533367347).

121087385453 is a wasteful number, since it uses less digits than its factorization.

121087385453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108017371.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 121087385453 in words is "one hundred twenty-one billion, eighty-seven million, three hundred eighty-five thousand, four hundred fifty-three".