121242453554325 has 12 divisors (see below), whose sum is σ = 200454189876608. Its totient is φ = 64662641895600.

The previous prime is 121242453554309. The next prime is 121242453554329. The reversal of 121242453554325 is 523455354242121.

It is not a de Polignac number, because 121242453554325 - 2⁴ = 121242453554309 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 (121242453554329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 808283023621 + ... + 808283023770.

Almost surely, 2^{121242453554325} is an apocalyptic number.

121242453554325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121242453554325 is a deficient number, since it is larger than the sum of its proper divisors (79211736322283).

121242453554325 is a wasteful number, since it uses less digits than its factorization.

121242453554325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616566047404 (or 1616566047399 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 48.

The spelling of 121242453554325 in words is "one hundred twenty-one trillion, two hundred forty-two billion, four hundred fifty-three million, five hundred fifty-four thousand, three hundred twenty-five".