1304121434 has 32 divisors (see below), whose sum is σ = 2440668672. Its totient is φ = 507726000.

The previous prime is 1304121431. The next prime is 1304121443. The reversal of 1304121434 is 4341214031.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1304121431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307589 + ... + 311799.

It is an arithmetic number, because the mean of its divisors is an integer number (76270896).

Almost surely, 2^1304121434 is an apocalyptic number.

1304121434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1304121434 is a deficient number, since it is larger than the sum of its proper divisors (1136547238).

1304121434 is a wasteful number, since it uses less digits than its factorization.

1304121434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1304121434 is about 36112.6215331981. The cubic root of 1304121434 is about 1092.5450262902.

Adding to 1304121434 its reverse (4341214031), we get a palindrome (5645335465).

The spelling of 1304121434 in words is "one billion, three hundred four million, one hundred twenty-one thousand, four hundred thirty-four".