122340311 has 2 divisors, whose sum is σ = 122340312. Its totient is φ = 122340310.

The previous prime is 122340293. The next prime is 122340341. The reversal of 122340311 is 113043221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122340311 - 2¹⁸ = 122078167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122340311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122340341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61170155 + 61170156.

It is an arithmetic number, because the mean of its divisors is an integer number (61170156).

Almost surely, 2^122340311 is an apocalyptic number.

122340311 is a deficient number, since it is larger than the sum of its proper divisors (1).

122340311 is an equidigital number, since it uses as much as digits as its factorization.

122340311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 122340311 is about 11060.7554443627. The cubic root of 122340311 is about 496.4282945937.

Adding to 122340311 its reverse (113043221), we get a palindrome (235383532).

The spelling of 122340311 in words is "one hundred twenty-two million, three hundred forty thousand, three hundred eleven".