1061143 has 2 divisors, whose sum is σ = 1061144. Its totient is φ = 1061142.

The previous prime is 1061141. The next prime is 1061149. The reversal of 1061143 is 3411601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1061143 - 2¹ = 1061141 is a prime.

It is a super-2 number, since 2×1061143² = 2252048932898, which contains 22 as substring.

Together with 1061141, it forms a pair of twin primes.

1061143 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530571 + 530572.

It is an arithmetic number, because the mean of its divisors is an integer number (530572).

2^1061143 is an apocalyptic number.

1061143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061143 is an equidigital number, since it uses as much as digits as its factorization.

1061143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1061143 is about 1030.1179544110. The cubic root of 1061143 is about 101.9979174251.

Adding to 1061143 its reverse (3411601), we get a palindrome (4472744).

The spelling of 1061143 in words is "one million, sixty-one thousand, one hundred forty-three".