1349122321 has 8 divisors (see below), whose sum is σ = 1364972840. Its totient is φ = 1333335168.

The previous prime is 1349122319. The next prime is 1349122331. The reversal of 1349122321 is 1232219431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 588741696 + 760380625 = 24264^2 + 27575^2 .

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 1349122321 - 2¹ = 1349122319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1349122321.

It is not an unprimeable number, because it can be changed into a prime (1349122301) 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, 27685 + ... + 58861.

It is an arithmetic number, because the mean of its divisors is an integer number (170621605).

Almost surely, 2^1349122321 is an apocalyptic number.

It is an amenable number.

1349122321 is a deficient number, since it is larger than the sum of its proper divisors (15850519).

1349122321 is a wasteful number, since it uses less digits than its factorization.

1349122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31683.

The product of its digits is 2592, while the sum is 28.

The square root of 1349122321 is about 36730.4005014919. The cubic root of 1349122321 is about 1104.9698867738.

The spelling of 1349122321 in words is "one billion, three hundred forty-nine million, one hundred twenty-two thousand, three hundred twenty-one".