1131054112 has 48 divisors (see below), whose sum is σ = 2290891680. Its totient is φ = 549384192.

The previous prime is 1131054109. The next prime is 1131054121. The reversal of 1131054112 is 2114501311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131054112.

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, 263439 + ... + 267697.

It is an arithmetic number, because the mean of its divisors is an integer number (47726910).

Almost surely, 2^1131054112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131054112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145445840).

1131054112 is an abundant number, since it is smaller than the sum of its proper divisors (1159837568).

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

1131054112 is a wasteful number, since it uses less digits than its factorization.

1131054112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505 (or 4497 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1131054112 is about 33631.1479435359. The cubic root of 1131054112 is about 1041.9042134754.

Adding to 1131054112 its reverse (2114501311), we get a palindrome (3245555423).

The spelling of 1131054112 in words is "one billion, one hundred thirty-one million, fifty-four thousand, one hundred twelve".