121620683 has 2 divisors, whose sum is σ = 121620684. Its totient is φ = 121620682.

The previous prime is 121620673. The next prime is 121620689. The reversal of 121620683 is 386026121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121620683 - 2¹⁸ = 121358539 is a prime.

It is not a weakly prime, because it can be changed into another prime (121620689) 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, 60810341 + 60810342.

It is an arithmetic number, because the mean of its divisors is an integer number (60810342).

Almost surely, 2^121620683 is an apocalyptic number.

121620683 is a deficient number, since it is larger than the sum of its proper divisors (1).

121620683 is an equidigital number, since it uses as much as digits as its factorization.

121620683 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 121620683 is about 11028.1767758773. The cubic root of 121620683 is about 495.4530192779.

The spelling of 121620683 in words is "one hundred twenty-one million, six hundred twenty thousand, six hundred eighty-three".