121116727 has 2 divisors, whose sum is σ = 121116728. Its totient is φ = 121116726.

The previous prime is 121116701. The next prime is 121116733. The reversal of 121116727 is 727611121.

121116727 is nontrivially palindromic in base 16.

It is a strong prime.

It is an emirp because it is prime and its reverse (727611121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121116727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121116695 and 121116704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121116797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60558363 + 60558364.

It is an arithmetic number, because the mean of its divisors is an integer number (60558364).

Almost surely, 2^121116727 is an apocalyptic number.

121116727 is a deficient number, since it is larger than the sum of its proper divisors (1).

121116727 is an equidigital number, since it uses as much as digits as its factorization.

121116727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 28.

The square root of 121116727 is about 11005.3044937430. The cubic root of 121116727 is about 494.7677405775.

Adding to 121116727 its reverse (727611121), we get a palindrome (848727848).

The spelling of 121116727 in words is "one hundred twenty-one million, one hundred sixteen thousand, seven hundred twenty-seven".