121248497 has 2 divisors, whose sum is σ = 121248498. Its totient is φ = 121248496.

The previous prime is 121248487. The next prime is 121248509. The reversal of 121248497 is 794842121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70040161 + 51208336 = 8369^2 + 7156^2 .

It is a cyclic number.

It is not a de Polignac number, because 121248497 - 2⁸ = 121248241 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121248497.

It is not a weakly prime, because it can be changed into another prime (121248487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60624248 + 60624249.

It is an arithmetic number, because the mean of its divisors is an integer number (60624249).

Almost surely, 2^121248497 is an apocalyptic number.

It is an amenable number.

121248497 is a deficient number, since it is larger than the sum of its proper divisors (1).

121248497 is an equidigital number, since it uses as much as digits as its factorization.

121248497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

The square root of 121248497 is about 11011.2895248468. The cubic root of 121248497 is about 494.9471045066.

The spelling of 121248497 in words is "one hundred twenty-one million, two hundred forty-eight thousand, four hundred ninety-seven".