121453259 has 2 divisors, whose sum is σ = 121453260. Its totient is φ = 121453258.

The previous prime is 121453249. The next prime is 121453261. The reversal of 121453259 is 952354121.

It is a strong prime.

It is an emirp because it is prime and its reverse (952354121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121453259 is a prime.

Together with 121453261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121453229) 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, 60726629 + 60726630.

It is an arithmetic number, because the mean of its divisors is an integer number (60726630).

Almost surely, 2^121453259 is an apocalyptic number.

121453259 is a deficient number, since it is larger than the sum of its proper divisors (1).

121453259 is an equidigital number, since it uses as much as digits as its factorization.

121453259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 121453259 is about 11020.5834237576. The cubic root of 121453259 is about 495.2255666854.

The spelling of 121453259 in words is "one hundred twenty-one million, four hundred fifty-three thousand, two hundred fifty-nine".