121163453 has 2 divisors, whose sum is σ = 121163454. Its totient is φ = 121163452.

The previous prime is 121163351. The next prime is 121163477. The reversal of 121163453 is 354361121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85618009 + 35545444 = 9253^2 + 5962^2 .

It is a cyclic number.

It is not a de Polignac number, because 121163453 - 2¹⁰ = 121162429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121163153) 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 as a sum of consecutive naturals, namely, 60581726 + 60581727.

It is an arithmetic number, because the mean of its divisors is an integer number (60581727).

Almost surely, 2^121163453 is an apocalyptic number.

It is an amenable number.

121163453 is a deficient number, since it is larger than the sum of its proper divisors (1).

121163453 is an equidigital number, since it uses as much as digits as its factorization.

121163453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 121163453 is about 11007.4271744127. The cubic root of 121163453 is about 494.8313583939.

The spelling of 121163453 in words is "one hundred twenty-one million, one hundred sixty-three thousand, four hundred fifty-three".