1304245406 has 16 divisors (see below), whose sum is σ = 2161512864. Its totient is φ = 587076864.

The previous prime is 1304245379. The next prime is 1304245409. The reversal of 1304245406 is 6045424031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304245409) 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, 833135 + ... + 834698.

It is an arithmetic number, because the mean of its divisors is an integer number (135094554).

Almost surely, 2^1304245406 is an apocalyptic number.

1304245406 is a deficient number, since it is larger than the sum of its proper divisors (857267458).

1304245406 is a wasteful number, since it uses less digits than its factorization.

1304245406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667875.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1304245406 is about 36114.3379559975. The cubic root of 1304245406 is about 1092.5796449223.

Adding to 1304245406 its reverse (6045424031), we get a palindrome (7349669437).

The spelling of 1304245406 in words is "one billion, three hundred four million, two hundred forty-five thousand, four hundred six".