1045512 has 48 divisors (see below), whose sum is σ = 3052140. Its totient is φ = 321408.

The previous prime is 1045507. The next prime is 1045523. The reversal of 1045512 is 2155401.

1045512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 820836 + 224676 = 906^2 + 474^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378 + ... + 1494.

2^1045512 is an apocalyptic number.

1045512 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 1045512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526070).

1045512 is an abundant number, since it is smaller than the sum of its proper divisors (2006628).

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

1045512 is a wasteful number, since it uses less digits than its factorization.

1045512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1045512 is about 1022.5028117321. The cubic root of 1045512 is about 101.4946165862.

The spelling of 1045512 in words is "one million, forty-five thousand, five hundred twelve".