1112838981 has 8 divisors (see below), whose sum is σ = 1484915520. Its totient is φ = 741327552.

The previous prime is 1112838977. The next prime is 1112839009. The reversal of 1112838981 is 1898382111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1112838981 - 2² = 1112838977 is a prime.

It is a super-2 number, since 2×1112838981² = 2476821195266236722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112838901) 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, 136660 + ... + 144573.

It is an arithmetic number, because the mean of its divisors is an integer number (185614440).

Almost surely, 2^1112838981 is an apocalyptic number.

It is an amenable number.

1112838981 is a deficient number, since it is larger than the sum of its proper divisors (372076539).

1112838981 is a wasteful number, since it uses less digits than its factorization.

1112838981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282555.

The product of its digits is 27648, while the sum is 42.

The square root of 1112838981 is about 33359.2413133153. The cubic root of 1112838981 is about 1036.2807799375.

The spelling of 1112838981 in words is "one billion, one hundred twelve million, eight hundred thirty-eight thousand, nine hundred eighty-one".