122684011 has 2 divisors, whose sum is σ = 122684012. Its totient is φ = 122684010.

The previous prime is 122683997. The next prime is 122684017. The reversal of 122684011 is 110486221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122684011 is a prime.

It is not a weakly prime, because it can be changed into another prime (122684017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61342005 + 61342006.

It is an arithmetic number, because the mean of its divisors is an integer number (61342006).

Almost surely, 2^122684011 is an apocalyptic number.

122684011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122684011 is an equidigital number, since it uses as much as digits as its factorization.

122684011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 122684011 is about 11076.2814608514. The cubic root of 122684011 is about 496.8927445953.

The spelling of 122684011 in words is "one hundred twenty-two million, six hundred eighty-four thousand, eleven".