1042943 has 8 divisors (see below), whose sum is σ = 1157760. Its totient is φ = 931480.

The previous prime is 1042931. The next prime is 1042949. The reversal of 1042943 is 3492401.

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

It is not a de Polignac number, because 1042943 - 2⁸ = 1042687 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 (1042949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 1452.

It is an arithmetic number, because the mean of its divisors is an integer number (144720).

2^1042943 is an apocalyptic number.

1042943 is a deficient number, since it is larger than the sum of its proper divisors (114817).

1042943 is a wasteful number, since it uses less digits than its factorization.

1042943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1042943 is about 1021.2458078249. The cubic root of 1042943 is about 101.4114185861.

The spelling of 1042943 in words is "one million, forty-two thousand, nine hundred forty-three".