121614491 has 2 divisors, whose sum is σ = 121614492. Its totient is φ = 121614490.

The previous prime is 121614473. The next prime is 121614503. The reversal of 121614491 is 194416121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121614491 - 2¹⁴ = 121598107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (121614091) 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, 60807245 + 60807246.

It is an arithmetic number, because the mean of its divisors is an integer number (60807246).

Almost surely, 2^121614491 is an apocalyptic number.

121614491 is a deficient number, since it is larger than the sum of its proper divisors (1).

121614491 is an equidigital number, since it uses as much as digits as its factorization.

121614491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 121614491 is about 11027.8960368694. The cubic root of 121614491 is about 495.4446109023. Note that the first 3 decimals are identical.

The spelling of 121614491 in words is "one hundred twenty-one million, six hundred fourteen thousand, four hundred ninety-one".