1131234112 has 14 divisors (see below), whose sum is σ = 2244792818. Its totient is φ = 565617024.

The previous prime is 1131234109. The next prime is 1131234121. The reversal of 1131234112 is 2114321311.

It can be written as a sum of positive squares in only one way, i.e., 650046016 + 481188096 = 25496^2 + 21936^2 .

It is a super-3 number, since 3×1131234112³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1131234112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8837703 + ... + 8837830.

Almost surely, 2^1131234112 is an apocalyptic number.

It is an amenable number.

1131234112 is a deficient number, since it is larger than the sum of its proper divisors (1113558706).

1131234112 is an equidigital number, since it uses as much as digits as its factorization.

1131234112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17675545 (or 17675535 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1131234112 is about 33633.8239277071. The cubic root of 1131234112 is about 1041.9594813323.

Adding to 1131234112 its reverse (2114321311), we get a palindrome (3245555423).

The spelling of 1131234112 in words is "one billion, one hundred thirty-one million, two hundred thirty-four thousand, one hundred twelve".