1300043442 has 16 divisors (see below), whose sum is σ = 2631414240. Its totient is φ = 428126592.

The previous prime is 1300043429. The next prime is 1300043447. The reversal of 1300043442 is 2443400031.

It is a super-2 number, since 2×1300043442² = 3380225902174414728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1300043447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304767 + ... + 1305762.

It is an arithmetic number, because the mean of its divisors is an integer number (164463390).

Almost surely, 2^1300043442 is an apocalyptic number.

1300043442 is an abundant number, since it is smaller than the sum of its proper divisors (1331370798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1300043442 is a wasteful number, since it uses less digits than its factorization.

1300043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610617.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1300043442 is about 36056.1151817552. The cubic root of 1300043442 is about 1091.4050399230.

Adding to 1300043442 its reverse (2443400031), we get a palindrome (3743443473).

The spelling of 1300043442 in words is "one billion, three hundred million, forty-three thousand, four hundred forty-two".