1102143 has 16 divisors (see below), whose sum is σ = 1734656. Its totient is φ = 609120.

The previous prime is 1102117. The next prime is 1102147. The reversal of 1102143 is 3412011.

It is a happy number.

It is not a de Polignac number, because 1102143 - 2⁵ = 1102111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196 + ... + 1497.

It is an arithmetic number, because the mean of its divisors is an integer number (108416).

2^1102143 is an apocalyptic number.

1102143 is a deficient number, since it is larger than the sum of its proper divisors (632513).

1102143 is a wasteful number, since it uses less digits than its factorization.

1102143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1102143 is about 1049.8299862359. The cubic root of 1102143 is about 103.2950037052.

Adding to 1102143 its reverse (3412011), we get a palindrome (4514154).

The spelling of 1102143 in words is "one million, one hundred two thousand, one hundred forty-three".