309122 has 8 divisors (see below), whose sum is σ = 505872. Its totient is φ = 140500.

The previous prime is 309121. The next prime is 309131. The reversal of 309122 is 221903.

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

It is a self number, because there is not a number n which added to its sum of digits gives 309122.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 309122.

It is not an unprimeable number, because it can be changed into a prime (309121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7004 + ... + 7047.

It is an arithmetic number, because the mean of its divisors is an integer number (63234).

2³⁰⁹¹²² is an apocalyptic number.

309122 is a deficient number, since it is larger than the sum of its proper divisors (196750).

309122 is a wasteful number, since it uses less digits than its factorization.

309122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14064.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 309122 is about 555.9874099294. The cubic root of 309122 is about 67.6150393111.

It can be divided in two parts, 3091 and 22, that added together give a palindrome (3113).

The spelling of 309122 in words is "three hundred nine thousand, one hundred twenty-two".