1322106991 has 8 divisors (see below), whose sum is σ = 1331866800. Its totient is φ = 1312378368.

The previous prime is 1322106959. The next prime is 1322107019. The reversal of 1322106991 is 1996012231.

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 1322106991 - 2⁵ = 1322106959 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 (1322106901) 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, 80980 + ... + 95926.

It is an arithmetic number, because the mean of its divisors is an integer number (166483350).

Almost surely, 2^1322106991 is an apocalyptic number.

1322106991 is a deficient number, since it is larger than the sum of its proper divisors (9759809).

1322106991 is a wasteful number, since it uses less digits than its factorization.

1322106991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15593.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 1322106991 is about 36360.7891966057. The cubic root of 1322106991 is about 1097.5446587024.

The spelling of 1322106991 in words is "one billion, three hundred twenty-two million, one hundred six thousand, nine hundred ninety-one".