121324997 has 2 divisors, whose sum is σ = 121324998. Its totient is φ = 121324996.

The previous prime is 121324969. The next prime is 121325077. The reversal of 121324997 is 799423121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105966436 + 15358561 = 10294^2 + 3919^2 .

It is a cyclic number.

It is not a de Polignac number, because 121324997 - 2⁶ = 121324933 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 121324997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121324097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60662498 + 60662499.

It is an arithmetic number, because the mean of its divisors is an integer number (60662499).

Almost surely, 2^121324997 is an apocalyptic number.

It is an amenable number.

121324997 is a deficient number, since it is larger than the sum of its proper divisors (1).

121324997 is an equidigital number, since it uses as much as digits as its factorization.

121324997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 121324997 is about 11014.7626846882. The cubic root of 121324997 is about 495.0511758810.

The spelling of 121324997 in words is "one hundred twenty-one million, three hundred twenty-four thousand, nine hundred ninety-seven".