1143061 has 2 divisors, whose sum is σ = 1143062. Its totient is φ = 1143060.

The previous prime is 1143053. The next prime is 1143067. The reversal of 1143061 is 1603411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 8836 = 1065^2 + 94^2 .

It is an emirp because it is prime and its reverse (1603411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143061 - 2³ = 1143053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571530 + 571531.

It is an arithmetic number, because the mean of its divisors is an integer number (571531).

2^1143061 is an apocalyptic number.

It is an amenable number.

1143061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143061 is an equidigital number, since it uses as much as digits as its factorization.

1143061 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1143061 is about 1069.1403088463. The cubic root of 1143061 is about 104.5578078087.

Adding to 1143061 its reverse (1603411), we get a palindrome (2746472).

The spelling of 1143061 in words is "one million, one hundred forty-three thousand, sixty-one".