1143019 has 2 divisors, whose sum is σ = 1143020. Its totient is φ = 1143018.

The previous prime is 1143013. The next prime is 1143047. The reversal of 1143019 is 9103411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1143019 - 2⁷ = 1142891 is a prime.

It is a super-2 number, since 2×1143019² = 2612984868722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142987 and 1143005.

It is not a weakly prime, because it can be changed into another prime (1143013) 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 as a sum of consecutive naturals, namely, 571509 + 571510.

It is an arithmetic number, because the mean of its divisors is an integer number (571510).

2^1143019 is an apocalyptic number.

1143019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143019 is an equidigital number, since it uses as much as digits as its factorization.

1143019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1143019 is about 1069.1206667163. The cubic root of 1143019 is about 104.5565271883.

It can be divided in two parts, 11430 and 19, that added together give a square (11449 = 107²).

The spelling of 1143019 in words is "one million, one hundred forty-three thousand, nineteen".