1322120311 has 8 divisors (see below), whose sum is σ = 1400220864. Its totient is φ = 1244056320.

The previous prime is 1322120171. The next prime is 1322120329. The reversal of 1322120311 is 1130212231.

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 1322120311 - 2²³ = 1313731703 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 (1322120341) 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, 109186 + ... + 120688.

It is an arithmetic number, because the mean of its divisors is an integer number (175027608).

Almost surely, 2^1322120311 is an apocalyptic number.

1322120311 is a deficient number, since it is larger than the sum of its proper divisors (78100553).

1322120311 is a wasteful number, since it uses less digits than its factorization.

1322120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18281.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1322120311 is about 36360.9723604856. The cubic root of 1322120311 is about 1097.5483445477.

Adding to 1322120311 its reverse (1130212231), we get a palindrome (2452332542).

The spelling of 1322120311 in words is "one billion, three hundred twenty-two million, one hundred twenty thousand, three hundred eleven".