1004012047 has 2 divisors, whose sum is σ = 1004012048. Its totient is φ = 1004012046.

The previous prime is 1004012033. The next prime is 1004012071. The reversal of 1004012047 is 7402104001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1004012047 - 2²⁷ = 869794319 is a prime.

It is a super-2 number, since 2×1004012047² = 2016080381042260418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004012447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502006023 + 502006024.

It is an arithmetic number, because the mean of its divisors is an integer number (502006024).

Almost surely, 2^1004012047 is an apocalyptic number.

1004012047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004012047 is an equidigital number, since it uses as much as digits as its factorization.

1004012047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1004012047 is about 31686.1491349138. The cubic root of 1004012047 is about 1001.3355644734.

Adding to 1004012047 its reverse (7402104001), we get a palindrome (8406116048).

The spelling of 1004012047 in words is "one billion, four million, twelve thousand, forty-seven".