1125882143 has 4 divisors (see below), whose sum is σ = 1125957960. Its totient is φ = 1125806328.

The previous prime is 1125882113. The next prime is 1125882157. The reversal of 1125882143 is 3412885211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3412885211 = 509 ⋅6705079.

It is a cyclic number.

It is not a de Polignac number, because 1125882143 - 2¹⁶ = 1125816607 is a prime.

It is a super-2 number, since 2×1125882143² = 2535221199852544898, 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 (1125882113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7505 + ... + 48042.

It is an arithmetic number, because the mean of its divisors is an integer number (281489490).

Almost surely, 2^1125882143 is an apocalyptic number.

1125882143 is a deficient number, since it is larger than the sum of its proper divisors (75817).

1125882143 is an equidigital number, since it uses as much as digits as its factorization.

1125882143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75816.

The product of its digits is 15360, while the sum is 35.

The square root of 1125882143 is about 33554.1672970735. The cubic root of 1125882143 is about 1040.3136821906.

The spelling of 1125882143 in words is "one billion, one hundred twenty-five million, eight hundred eighty-two thousand, one hundred forty-three".