1042084813 has 24 divisors (see below), whose sum is σ = 1339217280. Its totient is φ = 801702720.

The previous prime is 1042084739. The next prime is 1042084861. The reversal of 1042084813 is 3184802401.

It is not a de Polignac number, because 1042084813 - 2²¹ = 1039987661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042084873) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 30345 + ... + 54817.

It is an arithmetic number, because the mean of its divisors is an integer number (55800720).

Almost surely, 2^1042084813 is an apocalyptic number.

It is an amenable number.

1042084813 is a deficient number, since it is larger than the sum of its proper divisors (297132467).

1042084813 is a wasteful number, since it uses less digits than its factorization.

1042084813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24577 (or 24570 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1042084813 is about 32281.3384635768. The cubic root of 1042084813 is about 1013.8359544747.

The spelling of 1042084813 in words is "one billion, forty-two million, eighty-four thousand, eight hundred thirteen".