121614397 has 2 divisors, whose sum is σ = 121614398. Its totient is φ = 121614396.

The previous prime is 121614359. The next prime is 121614407. The reversal of 121614397 is 793416121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89226916 + 32387481 = 9446^2 + 5691^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121614397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121614347) 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, 60807198 + 60807199.

It is an arithmetic number, because the mean of its divisors is an integer number (60807199).

Almost surely, 2^121614397 is an apocalyptic number.

It is an amenable number.

121614397 is a deficient number, since it is larger than the sum of its proper divisors (1).

121614397 is an equidigital number, since it uses as much as digits as its factorization.

121614397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 34.

The square root of 121614397 is about 11027.8917749496. The cubic root of 121614397 is about 495.4444832536. Note that the first 4 decimals are identical.

The spelling of 121614397 in words is "one hundred twenty-one million, six hundred fourteen thousand, three hundred ninety-seven".