1043253018 has 24 divisors (see below), whose sum is σ = 2338326900. Its totient is φ = 335759424.

The previous prime is 1043253011. The next prime is 1043253019. The reversal of 1043253018 is 8103523401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1032144129 + 11108889 = 32127^2 + 3333^2 .

It is a super-2 number, since 2×1043253018² = 2176753719132216648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1043252982 and 1043253000.

It is not an unprimeable number, because it can be changed into a prime (1043253011) 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, 998763 + ... + 999806.

Almost surely, 2^1043253018 is an apocalyptic number.

1043253018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1043253018 is an abundant number, since it is smaller than the sum of its proper divisors (1295073882).

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

1043253018 is a wasteful number, since it uses less digits than its factorization.

1043253018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998606 (or 1998603 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1043253018 is about 32299.4275181465. The cubic root of 1043253018 is about 1014.2146587550.

Adding to 1043253018 its reverse (8103523401), we get a palindrome (9146776419).

The spelling of 1043253018 in words is "one billion, forty-three million, two hundred fifty-three thousand, eighteen".