121414322453 has 4 divisors (see below), whose sum is σ = 121575993408. Its totient is φ = 121252651500.

The previous prime is 121414322441. The next prime is 121414322461. The reversal of 121414322453 is 354223414121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354223414121 = 14143 ⋅25045847.

It is a cyclic number.

It is not a de Polignac number, because 121414322453 - 2⁴ = 121414322437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121414322423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80834351 + ... + 80835852.

It is an arithmetic number, because the mean of its divisors is an integer number (30393998352).

Almost surely, 2^121414322453 is an apocalyptic number.

It is an amenable number.

121414322453 is a deficient number, since it is larger than the sum of its proper divisors (161670955).

121414322453 is an equidigital number, since it uses as much as digits as its factorization.

121414322453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161670954.

The product of its digits is 23040, while the sum is 32.

Adding to 121414322453 its reverse (354223414121), we get a palindrome (475637736574).

The spelling of 121414322453 in words is "one hundred twenty-one billion, four hundred fourteen million, three hundred twenty-two thousand, four hundred fifty-three".