1040043 has 8 divisors (see below), whose sum is σ = 1468368. Its totient is φ = 652544.

The previous prime is 1040029. The next prime is 1040051. The reversal of 1040043 is 3400401.

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 1040043 - 2⁶ = 1039979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040093) 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, 10146 + ... + 10247.

It is an arithmetic number, because the mean of its divisors is an integer number (183546).

2^1040043 is an apocalyptic number.

1040043 is a deficient number, since it is larger than the sum of its proper divisors (428325).

1040043 is a wasteful number, since it uses less digits than its factorization.

1040043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20413.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1040043 is about 1019.8249849852. The cubic root of 1040043 is about 101.3173367043.

Adding to 1040043 its reverse (3400401), we get a palindrome (4440444).

The spelling of 1040043 in words is "one million, forty thousand, forty-three".