1042041243 has 8 divisors (see below), whose sum is σ = 1449796608. Its totient is φ = 664490024.

The previous prime is 1042041239. The next prime is 1042041257. The reversal of 1042041243 is 3421402401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042041243 - 2² = 1042041239 is a prime.

It is a super-2 number, since 2×1042041243² = 2171699904225970098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042041443) 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, 7550955 + ... + 7551092.

It is an arithmetic number, because the mean of its divisors is an integer number (181224576).

Almost surely, 2^1042041243 is an apocalyptic number.

1042041243 is a deficient number, since it is larger than the sum of its proper divisors (407755365).

1042041243 is a wasteful number, since it uses less digits than its factorization.

1042041243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15102073.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1042041243 is about 32280.6636084204. The cubic root of 1042041243 is about 1013.8218246433.

Adding to 1042041243 its reverse (3421402401), we get a palindrome (4463443644).

The spelling of 1042041243 in words is "one billion, forty-two million, forty-one thousand, two hundred forty-three".