1042343305 has 8 divisors (see below), whose sum is σ = 1251268992. Its totient is φ = 833569968.

The previous prime is 1042343297. The next prime is 1042343329. The reversal of 1042343305 is 5033432401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042343305 - 2³ = 1042343297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042343305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22449 + ... + 50878.

It is an arithmetic number, because the mean of its divisors is an integer number (156408624).

Almost surely, 2^1042343305 is an apocalyptic number.

It is an amenable number.

1042343305 is a deficient number, since it is larger than the sum of its proper divisors (208925687).

1042343305 is an equidigital number, since it uses as much as digits as its factorization.

1042343305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76175.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1042343305 is about 32285.3419526571. The cubic root of 1042343305 is about 1013.9197758088.

Adding to 1042343305 its reverse (5033432401), we get a palindrome (6075775706).

The spelling of 1042343305 in words is "one billion, forty-two million, three hundred forty-three thousand, three hundred five".