122320311 has 8 divisors (see below), whose sum is σ = 165767664. Its totient is φ = 80209920.

The previous prime is 122320283. The next prime is 122320379. The reversal of 122320311 is 113023221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122320311 - 2¹⁴ = 122303927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122320381) 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 in 7 ways as a sum of consecutive naturals, for example, 334026 + ... + 334391.

It is an arithmetic number, because the mean of its divisors is an integer number (20720958).

Almost surely, 2^122320311 is an apocalyptic number.

122320311 is a deficient number, since it is larger than the sum of its proper divisors (43447353).

122320311 is an equidigital number, since it uses as much as digits as its factorization.

122320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668481.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 122320311 is about 11059.8513100313. The cubic root of 122320311 is about 496.4012413494.

Adding to 122320311 its reverse (113023221), we get a palindrome (235343532).

The spelling of 122320311 in words is "one hundred twenty-two million, three hundred twenty thousand, three hundred eleven".