1305055412 has 6 divisors (see below), whose sum is σ = 2283846978. Its totient is φ = 652527704.

The previous prime is 1305055403. The next prime is 1305055469. The reversal of 1305055412 is 2145505031.

It can be written as a sum of positive squares in only one way, i.e., 1299169936 + 5885476 = 36044^2 + 2426^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163131923 + ... + 163131930.

It is an arithmetic number, because the mean of its divisors is an integer number (380641163).

Almost surely, 2^1305055412 is an apocalyptic number.

It is an amenable number.

1305055412 is a deficient number, since it is larger than the sum of its proper divisors (978791566).

1305055412 is a wasteful number, since it uses less digits than its factorization.

1305055412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326263857 (or 326263855 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1305055412 is about 36125.5506809239. The cubic root of 1305055412 is about 1092.8057815366.

The spelling of 1305055412 in words is "one billion, three hundred five million, fifty-five thousand, four hundred twelve".