122311 has 8 divisors (see below), whose sum is σ = 141984. Its totient is φ = 103200.

The previous prime is 122299. The next prime is 122321. The reversal of 122311 is 113221.

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

It is a cyclic number.

It is not a de Polignac number, because 122311 - 2⁵ = 122279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621 + ... + 793.

It is an arithmetic number, because the mean of its divisors is an integer number (17748).

2¹²²³¹¹ is an apocalyptic number.

122311 is a deficient number, since it is larger than the sum of its proper divisors (19673).

122311 is a wasteful number, since it uses less digits than its factorization.

122311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281.

The product of its digits is 12, while the sum is 10.

The square root of 122311 is about 349.7298957767. The cubic root of 122311 is about 49.6388645705.

Adding to 122311 its reverse (113221), we get a palindrome (235532).

The spelling of 122311 in words is "one hundred twenty-two thousand, three hundred eleven", and thus it is an iban number.