1040143 has 16 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 887040.

The previous prime is 1040141. The next prime is 1040153. The reversal of 1040143 is 3410401.

It is a cyclic number.

It is not a de Polignac number, because 1040143 - 2¹ = 1040141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

1040143 is a modest number, since divided by 143 gives 104 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11643 + ... + 11731.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2^1040143 is an apocalyptic number.

1040143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1040143 is a deficient number, since it is larger than the sum of its proper divisors (169457).

1040143 is a wasteful number, since it uses less digits than its factorization.

1040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1040143 is about 1019.8740118270. The cubic root of 1040143 is about 101.3205838165.

Adding to 1040143 its reverse (3410401), we get a palindrome (4450544).

The spelling of 1040143 in words is "one million, forty thousand, one hundred forty-three".