1055143 has 2 divisors, whose sum is σ = 1055144. Its totient is φ = 1055142.

The previous prime is 1055141. The next prime is 1055167. The reversal of 1055143 is 3415501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1055143 - 2¹ = 1055141 is a prime.

It is a super-2 number, since 2×1055143² = 2226653500898, which contains 22 as substring.

Together with 1055141, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1055143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527571 + 527572.

It is an arithmetic number, because the mean of its divisors is an integer number (527572).

2^1055143 is an apocalyptic number.

1055143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055143 is an equidigital number, since it uses as much as digits as its factorization.

1055143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1055143 is about 1027.2015381608. The cubic root of 1055143 is about 101.8053123470.

The spelling of 1055143 in words is "one million, fifty-five thousand, one hundred forty-three".