1143004012 has 6 divisors (see below), whose sum is σ = 2000257028. Its totient is φ = 571502004.

The previous prime is 1143003977. The next prime is 1143004019. The reversal of 1143004012 is 2104003411.

It is a super-2 number, since 2×1143004012² = 2612916342896192288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143004019) 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 as a sum of consecutive naturals, namely, 142875498 + ... + 142875505.

Almost surely, 2^1143004012 is an apocalyptic number.

It is an amenable number.

1143004012 is a deficient number, since it is larger than the sum of its proper divisors (857253016).

1143004012 is a wasteful number, since it uses less digits than its factorization.

1143004012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285751007 (or 285751005 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1143004012 is about 33808.3423432738. The cubic root of 1143004012 is about 1045.5607018221.

Adding to 1143004012 its reverse (2104003411), we get a palindrome (3247007423).

The spelling of 1143004012 in words is "one billion, one hundred forty-three million, four thousand, twelve".