1401321004 has 12 divisors (see below), whose sum is σ = 2474810800. Its totient is φ = 694232208.

The previous prime is 1401320981. The next prime is 1401321029. The reversal of 1401321004 is 4001231041.

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, 1606584 + ... + 1607455.

Almost surely, 2^1401321004 is an apocalyptic number.

It is an amenable number.

1401321004 is a deficient number, since it is larger than the sum of its proper divisors (1073489796).

1401321004 is a wasteful number, since it uses less digits than its factorization.

1401321004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214152 (or 3214150 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1401321004 is about 37434.2223640348. Note that the first 3 decimals coincide. The cubic root of 1401321004 is about 1119.0406868453.

Adding to 1401321004 its reverse (4001231041), we get a palindrome (5402552045).

The spelling of 1401321004 in words is "one billion, four hundred one million, three hundred twenty-one thousand, four".