1112381986 has 16 divisors (see below), whose sum is σ = 1732934520. Its totient is φ = 535075200.

The previous prime is 1112381969. The next prime is 1112381989. The reversal of 1112381986 is 6891832111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1084450761 + 27931225 = 32931^2 + 5285^2 .

It is not an unprimeable number, because it can be changed into a prime (1112381989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77865 + ... + 91036.

Almost surely, 2^1112381986 is an apocalyptic number.

1112381986 is a deficient number, since it is larger than the sum of its proper divisors (620552534).

1112381986 is a wasteful number, since it uses less digits than its factorization.

1112381986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169029.

The product of its digits is 20736, while the sum is 40.

The square root of 1112381986 is about 33352.3910087418. The cubic root of 1112381986 is about 1036.1389085666.

The spelling of 1112381986 in words is "one billion, one hundred twelve million, three hundred eighty-one thousand, nine hundred eighty-six".