1321410568 has 8 divisors (see below), whose sum is σ = 2477644830. Its totient is φ = 660705280.

The previous prime is 1321410553. The next prime is 1321410569. The reversal of 1321410568 is 8650141231.

It can be written as a sum of positive squares in only one way, i.e., 720278244 + 601132324 = 26838^2 + 24518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1321410568² = 3492251778444165248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1321410569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82588153 + ... + 82588168.

Almost surely, 2^1321410568 is an apocalyptic number.

It is an amenable number.

1321410568 is a deficient number, since it is larger than the sum of its proper divisors (1156234262).

1321410568 is a wasteful number, since it uses less digits than its factorization.

1321410568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165176327 (or 165176323 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1321410568 is about 36351.2113690865. The cubic root of 1321410568 is about 1097.3519134362.

Adding to 1321410568 its reverse (8650141231), we get a palindrome (9971551799).

The spelling of 1321410568 in words is "one billion, three hundred twenty-one million, four hundred ten thousand, five hundred sixty-eight".