121662803 has 2 divisors, whose sum is σ = 121662804. Its totient is φ = 121662802.

The previous prime is 121662791. The next prime is 121662851. The reversal of 121662803 is 308266121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121662803 - 2¹⁰ = 121661779 is a prime.

It is a zygodrome in base 15.

It is not a weakly prime, because it can be changed into another prime (121662403) 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, 60831401 + 60831402.

It is an arithmetic number, because the mean of its divisors is an integer number (60831402).

Almost surely, 2^121662803 is an apocalyptic number.

121662803 is a deficient number, since it is larger than the sum of its proper divisors (1).

121662803 is an equidigital number, since it uses as much as digits as its factorization.

121662803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 121662803 is about 11030.0862643952. The cubic root of 121662803 is about 495.5102082145.

The spelling of 121662803 in words is "one hundred twenty-one million, six hundred sixty-two thousand, eight hundred three".