1045111312 has 40 divisors (see below), whose sum is σ = 2450307456. Its totient is φ = 421556736.

The previous prime is 1045111307. The next prime is 1045111313. The reversal of 1045111312 is 2131115401.

It is a super-2 number, since 2×1045111312² = 2184515308940722688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1045111312.

It is not an unprimeable number, because it can be changed into a prime (1045111313) 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, 272548 + ... + 276355.

Almost surely, 2^1045111312 is an apocalyptic number.

It is an amenable number.

1045111312 is an abundant number, since it is smaller than the sum of its proper divisors (1405196144).

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

1045111312 is a wasteful number, since it uses less digits than its factorization.

1045111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548935 (or 548929 counting only the distinct ones).

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

The square root of 1045111312 is about 32328.1813902360. The cubic root of 1045111312 is about 1014.8164913699.

Adding to 1045111312 its reverse (2131115401), we get a palindrome (3176226713).

The spelling of 1045111312 in words is "one billion, forty-five million, one hundred eleven thousand, three hundred twelve".