1071986112 has 84 divisors (see below), whose sum is σ = 3078058360. Its totient is φ = 356700672.

The previous prime is 1071986101. The next prime is 1071986117. The reversal of 1071986112 is 2116891701.

It is a super-2 number, since 2×1071986112² = 2298308448641753088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071986117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420939 + ... + 423477.

Almost surely, 2^1071986112 is an apocalyptic number.

1071986112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071986112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539029180).

1071986112 is an abundant number, since it is smaller than the sum of its proper divisors (2006072248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1071986112 is a wasteful number, since it uses less digits than its factorization.

1071986112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290 (or 3277 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The square root of 1071986112 is about 32741.1990006475. The cubic root of 1071986112 is about 1023.4415697060.

The spelling of 1071986112 in words is "one billion, seventy-one million, nine hundred eighty-six thousand, one hundred twelve".