121441012453 has 2 divisors, whose sum is σ = 121441012454. Its totient is φ = 121441012452.

The previous prime is 121441012331. The next prime is 121441012481. The reversal of 121441012453 is 354210144121.

It is a happy number.

It is an a-pointer prime, because the next prime (121441012481) can be obtained adding 121441012453 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118665092484 + 2775919969 = 344478^2 + 52687^2 .

It is a cyclic number.

It is not a de Polignac number, because 121441012453 - 2²⁵ = 121407458021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121441012493) 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 as a sum of consecutive naturals, namely, 60720506226 + 60720506227.

It is an arithmetic number, because the mean of its divisors is an integer number (60720506227).

Almost surely, 2^121441012453 is an apocalyptic number.

It is an amenable number.

121441012453 is a deficient number, since it is larger than the sum of its proper divisors (1).

121441012453 is an equidigital number, since it uses as much as digits as its factorization.

121441012453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 121441012453 its reverse (354210144121), we get a palindrome (475651156574).

The spelling of 121441012453 in words is "one hundred twenty-one billion, four hundred forty-one million, twelve thousand, four hundred fifty-three".