1042013305 has 8 divisors (see below), whose sum is σ = 1250596872. Its totient is φ = 833490048.

The previous prime is 1042013293. The next prime is 1042013327. The reversal of 1042013305 is 5033102401.

It can be written as a sum of positive squares in 4 ways, for example, as 87759424 + 954253881 = 9368^2 + 30891^2 .

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 1042013305 - 2⁷ = 1042013177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43957 + ... + 63373.

It is an arithmetic number, because the mean of its divisors is an integer number (156324609).

Almost surely, 2^1042013305 is an apocalyptic number.

It is an amenable number.

1042013305 is a deficient number, since it is larger than the sum of its proper divisors (208583567).

1042013305 is a wasteful number, since it uses less digits than its factorization.

1042013305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30155.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1042013305 is about 32280.2308696825. The cubic root of 1042013305 is about 1013.8127640911.

Adding to 1042013305 its reverse (5033102401), we get a palindrome (6075115706).

The spelling of 1042013305 in words is "one billion, forty-two million, thirteen thousand, three hundred five".