1321104002 has 8 divisors (see below), whose sum is σ = 1981993212. Its totient is φ = 660439600.

The previous prime is 1321103989. The next prime is 1321104041. The reversal of 1321104002 is 2004011231.

It can be written as a sum of positive squares in 2 ways, for example, as 902942401 + 418161601 = 30049^2 + 20449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 40649 + ... + 65532.

Almost surely, 2^1321104002 is an apocalyptic number.

1321104002 is a deficient number, since it is larger than the sum of its proper divisors (660889210).

1321104002 is a wasteful number, since it uses less digits than its factorization.

1321104002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112404.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1321104002 is about 36346.9944011881. The cubic root of 1321104002 is about 1097.2670453379.

Adding to 1321104002 its reverse (2004011231), we get a palindrome (3325115233).

The spelling of 1321104002 in words is "one billion, three hundred twenty-one million, one hundred four thousand, two".