121434499 has 2 divisors, whose sum is σ = 121434500. Its totient is φ = 121434498.

The previous prime is 121434493. The next prime is 121434517. The reversal of 121434499 is 994434121.

It is a weak prime.

It is an emirp because it is prime and its reverse (994434121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121434499 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (121434493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60717249 + 60717250.

It is an arithmetic number, because the mean of its divisors is an integer number (60717250).

Almost surely, 2^121434499 is an apocalyptic number.

121434499 is a deficient number, since it is larger than the sum of its proper divisors (1).

121434499 is an equidigital number, since it uses as much as digits as its factorization.

121434499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 121434499 is about 11019.7322562756. The cubic root of 121434499 is about 495.2000674107.

The spelling of 121434499 in words is "one hundred twenty-one million, four hundred thirty-four thousand, four hundred ninety-nine".