1304794081 has 4 divisors (see below), whose sum is σ = 1381546692. Its totient is φ = 1228041472.

The previous prime is 1304794069. The next prime is 1304794091. The reversal of 1304794081 is 1804974031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 964723600 + 340070481 = 31060^2 + 18441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304794081 - 2²⁵ = 1271239649 is a prime.

It is a super-2 number, since 2×1304794081² = 3404975187625269122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1304794081.

It is not an unprimeable number, because it can be changed into a prime (1304794031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38376280 + ... + 38376313.

It is an arithmetic number, because the mean of its divisors is an integer number (345386673).

Almost surely, 2^1304794081 is an apocalyptic number.

It is an amenable number.

1304794081 is a deficient number, since it is larger than the sum of its proper divisors (76752611).

1304794081 is an equidigital number, since it uses as much as digits as its factorization.

1304794081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76752610.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1304794081 is about 36121.9335169091. The cubic root of 1304794081 is about 1092.7328336527.

The spelling of 1304794081 in words is "one billion, three hundred four million, seven hundred ninety-four thousand, eighty-one".