121627799 has 2 divisors, whose sum is σ = 121627800. Its totient is φ = 121627798.

The previous prime is 121627729. The next prime is 121627801. The reversal of 121627799 is 997726121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121627799 - 2¹⁶ = 121562263 is a prime.

It is a Sophie Germain prime.

Together with 121627801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121627729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60813899 + 60813900.

It is an arithmetic number, because the mean of its divisors is an integer number (60813900).

Almost surely, 2^121627799 is an apocalyptic number.

121627799 is a deficient number, since it is larger than the sum of its proper divisors (1).

121627799 is an equidigital number, since it uses as much as digits as its factorization.

121627799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 44.

The square root of 121627799 is about 11028.4993992837. The cubic root of 121627799 is about 495.4626820393.

The spelling of 121627799 in words is "one hundred twenty-one million, six hundred twenty-seven thousand, seven hundred ninety-nine".