1004012043 has 8 divisors (see below), whose sum is σ = 1341666000. Its totient is φ = 667849728.

The previous prime is 1004012033. The next prime is 1004012047. The reversal of 1004012043 is 3402104001.

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

It is not a de Polignac number, because 1004012043 - 2⁵ = 1004012011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004012047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371338 + ... + 374031.

It is an arithmetic number, because the mean of its divisors is an integer number (167708250).

Almost surely, 2^1004012043 is an apocalyptic number.

1004012043 is a deficient number, since it is larger than the sum of its proper divisors (337653957).

1004012043 is an equidigital number, since it uses as much as digits as its factorization.

1004012043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745821.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1004012043 is about 31686.1490717948. The cubic root of 1004012043 is about 1001.3355631437.

Adding to 1004012043 its reverse (3402104001), we get a palindrome (4406116044).

The spelling of 1004012043 in words is "one billion, four million, twelve thousand, forty-three".