1304402001 has 24 divisors (see below), whose sum is σ = 2036076480. Its totient is φ = 740611872.

The previous prime is 1304401997. The next prime is 1304402009. The reversal of 1304402001 is 1002044031.

It is not a de Polignac number, because 1304402001 - 2² = 1304401997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304402009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5181 + ... + 51338.

It is an arithmetic number, because the mean of its divisors is an integer number (84836520).

Almost surely, 2^1304402001 is an apocalyptic number.

It is an amenable number.

1304402001 is a deficient number, since it is larger than the sum of its proper divisors (731674479).

1304402001 is a wasteful number, since it uses less digits than its factorization.

1304402001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56693 (or 56686 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1304402001 is about 36116.5059356522. The cubic root of 1304402001 is about 1092.6233702472.

Adding to 1304402001 its reverse (1002044031), we get a palindrome (2306446032).

The spelling of 1304402001 in words is "one billion, three hundred four million, four hundred two thousand, one".