122340811 has 2 divisors, whose sum is σ = 122340812. Its totient is φ = 122340810.

The previous prime is 122340809. The next prime is 122340817. The reversal of 122340811 is 118043221.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (118043221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122340811 - 2¹ = 122340809 is a prime.

It is a super-2 number, since 2×122340811² = 29934548072275442, which contains 22 as substring.

Together with 122340809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122340817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61170405 + 61170406.

It is an arithmetic number, because the mean of its divisors is an integer number (61170406).

Almost surely, 2^122340811 is an apocalyptic number.

122340811 is a deficient number, since it is larger than the sum of its proper divisors (1).

122340811 is an equidigital number, since it uses as much as digits as its factorization.

122340811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 122340811 is about 11060.7780467741. The cubic root of 122340811 is about 496.4289708870.

The spelling of 122340811 in words is "one hundred twenty-two million, three hundred forty thousand, eight hundred eleven".