961143 has 8 divisors (see below), whose sum is σ = 1286256. Its totient is φ = 638400.

The previous prime is 961141. The next prime is 961151. The reversal of 961143 is 341169.

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

It is not a de Polignac number, because 961143 - 2¹ = 961141 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 961143.

It is not an unprimeable number, because it can be changed into a prime (961141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (160782).

2⁹⁶¹¹⁴³ is an apocalyptic number.

961143 is a deficient number, since it is larger than the sum of its proper divisors (325113).

961143 is a wasteful number, since it uses less digits than its factorization.

961143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185.

The product of its digits is 648, while the sum is 24.

The square root of 961143 is about 980.3790083432. The cubic root of 961143 is about 98.6876185621.

The spelling of 961143 in words is "nine hundred sixty-one thousand, one hundred forty-three".