122609311 has 8 divisors (see below), whose sum is σ = 137018448. Its totient is φ = 108744000.

The previous prime is 122609281. The next prime is 122609317. The reversal of 122609311 is 113906221.

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 122609311 - 2⁷ = 122609183 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 (122609317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135480 + ... + 136381.

It is an arithmetic number, because the mean of its divisors is an integer number (17127306).

Almost surely, 2^122609311 is an apocalyptic number.

122609311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122609311 is a deficient number, since it is larger than the sum of its proper divisors (14409137).

122609311 is a wasteful number, since it uses less digits than its factorization.

122609311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271913.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 122609311 is about 11072.9088770747. The cubic root of 122609311 is about 496.7918745532.

The spelling of 122609311 in words is "one hundred twenty-two million, six hundred nine thousand, three hundred eleven".