1142986672 has 10 divisors (see below), whose sum is σ = 2214536708. Its totient is φ = 571493328.

The previous prime is 1142986631. The next prime is 1142986693. The reversal of 1142986672 is 2766892411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35718318 + ... + 35718349.

Almost surely, 2^1142986672 is an apocalyptic number.

It is an amenable number.

1142986672 is a deficient number, since it is larger than the sum of its proper divisors (1071550036).

1142986672 is an equidigital number, since it uses as much as digits as its factorization.

1142986672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71436675 (or 71436669 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 1142986672 is about 33808.0858967200. The cubic root of 1142986672 is about 1045.5554145516. Note that the first 3 decimals are identical.

The spelling of 1142986672 in words is "one billion, one hundred forty-two million, nine hundred eighty-six thousand, six hundred seventy-two".