1304200403 has 8 divisors (see below), whose sum is σ = 1423174320. Its totient is φ = 1185294880.

The previous prime is 1304200399. The next prime is 1304200421. The reversal of 1304200403 is 3040024031.

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

It is not a de Polignac number, because 1304200403 - 2² = 1304200399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304200483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27953 + ... + 58221.

It is an arithmetic number, because the mean of its divisors is an integer number (177896790).

Almost surely, 2^1304200403 is an apocalyptic number.

1304200403 is a deficient number, since it is larger than the sum of its proper divisors (118973917).

1304200403 is a wasteful number, since it uses less digits than its factorization.

1304200403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34197.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1304200403 is about 36113.7148878373. The cubic root of 1304200403 is about 1092.5670782874.

Adding to 1304200403 its reverse (3040024031), we get a palindrome (4344224434).

The spelling of 1304200403 in words is "one billion, three hundred four million, two hundred thousand, four hundred three".