1321053224 has 16 divisors (see below), whose sum is σ = 2534579520. Its totient is φ = 645165360.

The previous prime is 1321053203. The next prime is 1321053233. The reversal of 1321053224 is 4223501231.

It is a self number, because there is not a number n which added to its sum of digits gives 1321053224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919792 + ... + 1920479.

It is an arithmetic number, because the mean of its divisors is an integer number (158411220).

Almost surely, 2^1321053224 is an apocalyptic number.

It is an amenable number.

1321053224 is a deficient number, since it is larger than the sum of its proper divisors (1213526296).

1321053224 is a wasteful number, since it uses less digits than its factorization.

1321053224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840320 (or 3840316 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1321053224 is about 36346.2958772968. The cubic root of 1321053224 is about 1097.2529869595.

Adding to 1321053224 its reverse (4223501231), we get a palindrome (5544554455).

The spelling of 1321053224 in words is "one billion, three hundred twenty-one million, fifty-three thousand, two hundred twenty-four".