1043042043 has 32 divisors (see below), whose sum is σ = 1471219200. Its totient is φ = 656364800.

The previous prime is 1043041969. The next prime is 1043042047. The reversal of 1043042043 is 3402403401.

It is a cyclic number.

It is not a de Polignac number, because 1043042043 - 2⁸ = 1043041787 is a prime.

It is a super-2 number, since 2×1043042043² = 2175873406931227698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1043042047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808543 + ... + 809831.

It is an arithmetic number, because the mean of its divisors is an integer number (45975600).

Almost surely, 2^1043042043 is an apocalyptic number.

1043042043 is a deficient number, since it is larger than the sum of its proper divisors (428177157).

1043042043 is a wasteful number, since it uses less digits than its factorization.

1043042043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1043042043 is about 32296.1614282565. The cubic root of 1043042043 is about 1014.1462866025.

Adding to 1043042043 its reverse (3402403401), we get a palindrome (4445445444).

The spelling of 1043042043 in words is "one billion, forty-three million, forty-two thousand, forty-three".