1305104432 has 20 divisors (see below), whose sum is σ = 2539227360. Its totient is φ = 649819968.

The previous prime is 1305104431. The next prime is 1305104447. The reversal of 1305104432 is 2344015031.

It is a junction number, because it is equal to n+sod(n) for n = 1305104398 and 1305104407.

It is not an unprimeable number, because it can be changed into a prime (1305104431) 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, 166823 + ... + 174470.

It is an arithmetic number, because the mean of its divisors is an integer number (126961368).

Almost surely, 2^1305104432 is an apocalyptic number.

It is an amenable number.

1305104432 is a deficient number, since it is larger than the sum of its proper divisors (1234122928).

1305104432 is a wasteful number, since it uses less digits than its factorization.

1305104432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341540 (or 341534 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1305104432 is about 36126.2291417192. The cubic root of 1305104432 is about 1092.8194638851.

Adding to 1305104432 its reverse (2344015031), we get a palindrome (3649119463).

The spelling of 1305104432 in words is "one billion, three hundred five million, one hundred four thousand, four hundred thirty-two".