1125351143 has 8 divisors (see below), whose sum is σ = 1288588320. Its totient is φ = 962732160.

The previous prime is 1125351121. The next prime is 1125351203. The reversal of 1125351143 is 3411535211.

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 1125351143 - 2⁶ = 1125351079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125351443) 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, 150638 + ... + 157931.

It is an arithmetic number, because the mean of its divisors is an integer number (161073540).

Almost surely, 2^1125351143 is an apocalyptic number.

1125351143 is a deficient number, since it is larger than the sum of its proper divisors (163237177).

1125351143 is an equidigital number, since it uses as much as digits as its factorization.

1125351143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309097.

The product of its digits is 1800, while the sum is 26.

The square root of 1125351143 is about 33546.2537848863. The cubic root of 1125351143 is about 1040.1501086954.

Adding to 1125351143 its reverse (3411535211), we get a palindrome (4536886354).

The spelling of 1125351143 in words is "one billion, one hundred twenty-five million, three hundred fifty-one thousand, one hundred forty-three".