1143799 has 2 divisors, whose sum is σ = 1143800. Its totient is φ = 1143798.

The previous prime is 1143763. The next prime is 1143803. The reversal of 1143799 is 9973411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143799 - 2¹⁵ = 1111031 is a prime.

1143799 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571899 + 571900.

It is an arithmetic number, because the mean of its divisors is an integer number (571900).

2^1143799 is an apocalyptic number.

1143799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143799 is an equidigital number, since it uses as much as digits as its factorization.

1143799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 34.

The square root of 1143799 is about 1069.4853902695. The cubic root of 1143799 is about 104.5803050221.

The spelling of 1143799 in words is "one million, one hundred forty-three thousand, seven hundred ninety-nine".