121304497 has 2 divisors, whose sum is σ = 121304498. Its totient is φ = 121304496.

The previous prime is 121304467. The next prime is 121304501. The reversal of 121304497 is 794403121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75620416 + 45684081 = 8696^2 + 6759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121304497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121304467) 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, 60652248 + 60652249.

It is an arithmetic number, because the mean of its divisors is an integer number (60652249).

Almost surely, 2^121304497 is an apocalyptic number.

It is an amenable number.

121304497 is a deficient number, since it is larger than the sum of its proper divisors (1).

121304497 is an equidigital number, since it uses as much as digits as its factorization.

121304497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 121304497 is about 11013.8320760760. The cubic root of 121304497 is about 495.0232917653.

It can be divided in two parts, 121304 and 497, that added together give a square (121801 = 349²).

The spelling of 121304497 in words is "one hundred twenty-one million, three hundred four thousand, four hundred ninety-seven".