1321214032 has 20 divisors (see below), whose sum is σ = 2576161876. Its totient is φ = 656398080.

The previous prime is 1321214021. The next prime is 1321214033. The reversal of 1321214032 is 2304121231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 516016656 + 805197376 = 22716^2 + 28376^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321214033) 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, 260469 + ... + 265492.

Almost surely, 2^1321214032 is an apocalyptic number.

It is an amenable number.

1321214032 is a deficient number, since it is larger than the sum of its proper divisors (1254947844).

1321214032 is a wasteful number, since it uses less digits than its factorization.

1321214032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526126 (or 526120 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1321214032 is about 36348.5079748812. The cubic root of 1321214032 is about 1097.2975069673.

Adding to 1321214032 its reverse (2304121231), we get a palindrome (3625335263).

The spelling of 1321214032 in words is "one billion, three hundred twenty-one million, two hundred fourteen thousand, thirty-two".