1049140143 has 12 divisors (see below), whose sum is σ = 1556382568. Its totient is φ = 680523120.

The previous prime is 1049140129. The next prime is 1049140153. The reversal of 1049140143 is 3410419401.

It is not a de Polignac number, because 1049140143 - 2²⁰ = 1048091567 is a prime.

It is a super-2 number, since 2×1049140143² = 2201390079308120898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049140153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1574953 + ... + 1575618.

Almost surely, 2^1049140143 is an apocalyptic number.

1049140143 is a deficient number, since it is larger than the sum of its proper divisors (507242425).

1049140143 is a wasteful number, since it uses less digits than its factorization.

1049140143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150614 (or 3150611 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1049140143 is about 32390.4328930627. The cubic root of 1049140143 is about 1016.1188348482.

Adding to 1049140143 its reverse (3410419401), we get a palindrome (4459559544).

The spelling of 1049140143 in words is "one billion, forty-nine million, one hundred forty thousand, one hundred forty-three".