1304032401 has 24 divisors (see below), whose sum is σ = 2174891264. Its totient is φ = 737475840.

The previous prime is 1304032399. The next prime is 1304032451. The reversal of 1304032401 is 1042304031.

It is not a de Polignac number, because 1304032401 - 2¹ = 1304032399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1304032451) 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, 100585 + ... + 112806.

Almost surely, 2^1304032401 is an apocalyptic number.

It is an amenable number.

1304032401 is a deficient number, since it is larger than the sum of its proper divisors (870858863).

1304032401 is a wasteful number, since it uses less digits than its factorization.

1304032401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213501 (or 213498 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1304032401 is about 36111.3887991033. The cubic root of 1304032401 is about 1092.5201628655.

Adding to 1304032401 its reverse (1042304031), we get a palindrome (2346336432).

The spelling of 1304032401 in words is "one billion, three hundred four million, thirty-two thousand, four hundred one".