121453273 has 2 divisors, whose sum is σ = 121453274. Its totient is φ = 121453272.

The previous prime is 121453261. The next prime is 121453279. The reversal of 121453273 is 372354121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112614544 + 8838729 = 10612^2 + 2973^2 .

It is an emirp because it is prime and its reverse (372354121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121453273 - 2¹³ = 121445081 is a prime.

It is not a weakly prime, because it can be changed into another prime (121453279) 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, 60726636 + 60726637.

It is an arithmetic number, because the mean of its divisors is an integer number (60726637).

Almost surely, 2^121453273 is an apocalyptic number.

It is an amenable number.

121453273 is a deficient number, since it is larger than the sum of its proper divisors (1).

121453273 is an equidigital number, since it uses as much as digits as its factorization.

121453273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 121453273 is about 11020.5840589326. The cubic root of 121453273 is about 495.2255857137.

The spelling of 121453273 in words is "one hundred twenty-one million, four hundred fifty-three thousand, two hundred seventy-three".