1143003986 has 16 divisors (see below), whose sum is σ = 1757427840. Its totient is φ = 557212320.

The previous prime is 1143003977. The next prime is 1143004019. The reversal of 1143003986 is 6893003411.

It is a super-2 number, since 2×1143003986² = 2612916224023776392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167795 + ... + 174473.

It is an arithmetic number, because the mean of its divisors is an integer number (109839240).

Almost surely, 2^1143003986 is an apocalyptic number.

1143003986 is a deficient number, since it is larger than the sum of its proper divisors (614423854).

1143003986 is a wasteful number, since it uses less digits than its factorization.

1143003986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8809.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1143003986 is about 33808.3419587533. The cubic root of 1143003986 is about 1045.5606938943.

The spelling of 1143003986 in words is "one billion, one hundred forty-three million, three thousand, nine hundred eighty-six".