1304201123 has 6 divisors (see below), whose sum is σ = 1340403876. Its totient is φ = 1268951112.

The previous prime is 1304201117. The next prime is 1304201147. The reversal of 1304201123 is 3211024031.

It is not a de Polignac number, because 1304201123 - 2⁸ = 1304200867 is a prime.

It is a super-2 number, since 2×1304201123² = 3401881138468922258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304201113) 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 5 ways as a sum of consecutive naturals, for example, 474965 + ... + 477702.

It is an arithmetic number, because the mean of its divisors is an integer number (223400646).

Almost surely, 2^1304201123 is an apocalyptic number.

1304201123 is a deficient number, since it is larger than the sum of its proper divisors (36202753).

1304201123 is an frugal number, since it uses more digits than its factorization.

1304201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952741 (or 952704 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1304201123 is about 36113.7248563479. The cubic root of 1304201123 is about 1092.5672793425.

Adding to 1304201123 its reverse (3211024031), we get a palindrome (4515225154).

The spelling of 1304201123 in words is "one billion, three hundred four million, two hundred one thousand, one hundred twenty-three".