1300243412 has 18 divisors (see below), whose sum is σ = 2463924078. Its totient is φ = 600112032.

The previous prime is 1300243409. The next prime is 1300243421. The reversal of 1300243412 is 2143420031.

It can be written as a sum of positive squares in 3 ways, for example, as 929296 + 1299314116 = 964^2 + 36046^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 961043 + ... + 962394.

It is an arithmetic number, because the mean of its divisors is an integer number (136884671).

Almost surely, 2^1300243412 is an apocalyptic number.

It is an amenable number.

1300243412 is a deficient number, since it is larger than the sum of its proper divisors (1163680666).

1300243412 is a wasteful number, since it uses less digits than its factorization.

1300243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923467 (or 1923452 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1300243412 is about 36058.8881137508. Note that the first 3 decimals coincide. The cubic root of 1300243412 is about 1091.4609962779.

Adding to 1300243412 its reverse (2143420031), we get a palindrome (3443663443).

The spelling of 1300243412 in words is "one billion, three hundred million, two hundred forty-three thousand, four hundred twelve".